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Integer of the form 3 × 2^n – 1 for non-negative n
In number theory, a Thabit number, Thâbit ibn Qurra number, or 321 number is an integer of the form 3 ⋅ 2 n − 1 {\displaystyle 3\cdot 2^{n}-1} for a non-negative
Thabit_number
Natural number
of distinct semiprimes 93, 94, and 95. 95 is the smallest composite Thabit number. 95 is the smallest integer for which the Mertens function is greater
95_(number)
Medieval Sabian scholar (c. 830–901)
Thābit ibn Qurra (full name: Abū al-Ḥasan Ṯābit ibn Qurra ibn Zahrūn al-Ḥarrānī al-Ṣābiʾ, Arabic: أبو الحسن ثابت بن قرة بن زهرون الحراني الصابئ, Latin:
Thābit_ibn_Qurra
Natural number
+ 71 + 73 + 79 + 83 + 89). 767 = 13 × 59. It is a palindromic number and a Thabit number because 767 = 28 × 3 − 1 768 = 28 × 3. It is the sum of eight
700_(number)
Natural number
cube number 3063 – perfect totient number 3067 – super-prime 3071 – Thabit number 3075 – nonagonal number 3080 – pronic number 3081 – triangular number, 497th
3000_(number)
Natural number
a Woodall prime, a Thabit number, an Eisenstein prime with no imaginary part, and a palindromic prime. It is also the first number where the sum of a
300_(number)
Name list
journalist Thabit ibn Qays, companion of Muhammad Thabit ibn Qurra (826–901), Baghdadi mathematician and astronomer Thabit number Tabit (town) (or Thabit), Sudan
Thabit
Natural number
800th prime number, twin prime with 6131 6143 – Thabit number 6173 – Sophie Germain prime 6174 – Kaprekar's constant 6181 – octahedral number 6200 – harmonic
6000_(number)
Natural number
12285 = amicable number with 14595 12287 = Thabit number 12288 = 3-smooth number (212×3). 12289 = Proth prime, Pierpont prime 12310 = number of partitions
10,000
Pair of integers related by their divisors
(2004)]. The Thābit ibn Qurrah theorem is a method for discovering amicable numbers invented in the 9th century by the Arab mathematician Thābit ibn Qurrah
Amicable_numbers
Natural number
with 9 unlabeled edges, 1535 = 5 × 307. It is a Thabit number. 1537 = 29 × 53. It is a Keith number. 1539 = 34 × 19. A maximum of 1539 pieces can be
1000_(number)
Arabic scribe and Qur'anic collator (c.611-c.666)
Zāyd bin Thābit (Arabic: زيد بن ثابت, romanized: Zayd ibn Thābit) was the personal scribe of the Islamic prophet Muhammad, serving as the chief recorder
Zayd_ibn_Thabit
Number used for counting
natural-number results: subtracting a larger natural number from a smaller one results in a negative number and dividing one natural number by another
Natural_number
Number equal to the sum of its proper divisors
In number theory, a perfect number is a positive integer that is equal to the sum of its positive proper divisors, that is, divisors excluding the number
Perfect_number
Number divisible only by 1 and itself
A prime number (or a prime) is a natural number greater than 1 that is not a product of two smaller natural numbers. A natural number greater than 1 that
Prime_number
Natural number
numerous places, including many Star Trek episodes. 47 is a safe prime, a Thabit prime, a regular prime, a cluster prime, an isolated prime, a Ramanujan
47_(number)
Saudi Arabian writer
Saudi daily Al-Watan. Thabit has published several volumes of poetry. He has also written a bestselling novel titled Terrorist Number 20 (2006). The book
Abdullah_Thabit
Integer having a non-trivial divisor
A composite number is a positive integer that can be formed by multiplying two smaller positive integers. Accordingly, it is a positive integer that has
Composite_number
Class of numbers in number theory
every b ≥ 2, there are infinitely many Williams primes for base b. Thabit number Williams primes See Table 1 in the last page of the paper: Williams
Williams_number
Natural number
natural number following 382 and preceding 384. 383 is the 76th prime number. As a prime, it is also a safe prime, a Woodall prime, a Thabit prime, a
383_(number)
Figurate number
The triangular lattice representing the n {\displaystyle n} th triangular number contains n {\displaystyle n} rows: the first row contains one point, the
Triangular_number
Numbers obtained by adding the two previous ones
month, the number of pairs of rabbits is equal to the number of mature pairs (that is, the number of pairs in month n – 2) plus the number of pairs alive
Fibonacci_sequence
Product of an integer with itself
In mathematics, a square number or perfect square is an integer that is the square of an integer; in other words, it is the product of some integer with
Square_number
Khuzayma ibn Thabit Dhu al-Shahadatayn[citation needed] al-Ansari (Arabic: خزيمة بن ثابت ذو الشهادتين الأنصاري, romanized: Khuzayma ibn Thābit Dhū al-Shahādatayn
Khuzayma_ibn_Thabit
Area of a right triangle with rational-numbered sides
In number theory, a congruent number is a positive integer that is the area of a right triangle with three rational number sides. A more general definition
Congruent_number
Positive integer of the form (2^(2^n))+1
In mathematics, a Fermat number, named after Pierre de Fermat (1601–1665), the first known to have studied them, is a positive integer of the form: F n
Fermat_number
cultural figures have been arrested and tortured in a number of countries during the Arab Spring. Ibn Thabit considers himself to be an ordinary Libyan who is
Ibn_Thabit
Numbers with many divisors
highly composite number is a positive integer that has more divisors than all smaller positive integers. If d(n) denotes the number of divisors of a positive
Highly_composite_number
Number of form 2^(2^p-1)-1 with prime exponent
In mathematics, a double Mersenne number is a Mersenne number of the form M M p = 2 2 p − 1 − 1 {\displaystyle M_{M_{p}}=2^{2^{p}-1}-1} where p {\displaystyle
Double_Mersenne_number
Numbers with a certain property involving recursive summation
In number theory, a happy number is a number which eventually reaches 1 when the number is replaced by the sum of the square of each digit. For instance
Happy_number
al-Khujandi first states a special case of Fermat's Last Theorem. 895 — Thabit ibn Qurra gives a theorem by which pairs of amicable numbers can be found
Timeline_of_number_theory
Number that remains the same when its digits are reversed
A palindromic number (also known as a numeral palindrome or a numeric palindrome) is a number (such as 16361) that remains the same when its digits are
Palindromic_number
Infinite integer series where the next number is the sum of the two preceding it
numbers two terms apart in the Fibonacci sequence results in the Lucas number in between. The first few Lucas numbers are 2, 1, 3, 4, 7, 11, 18, 29, 47
Lucas_number
Prime number of the form 2^n – 1
mathematics, a Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form Mn = 2n − 1 for some integer
Mersenne_prime
Odd number with specific properties
In number theory, a Sierpiński number is an odd natural number k such that k × 2 n + 1 {\displaystyle k\times 2^{n}+1} is composite for all natural numbers
Sierpiński_number
Integer having only small prime factors
In number theory, an n-smooth (or n-friable) number is an integer whose prime factors are all less than or equal to n. For example, a 7-smooth number is
Smooth_number
Type of figurate number
In mathematics, a polygonal number is a number that counts dots arranged in the shape of a regular polygon. These are one type of 2-dimensional figurate
Polygonal_number
Sahabi (Companion) of Muhammad
ʿAaṣim ibn Thābit (Arabic: عاصم بن ثابت) was one of the Ansar, a person belonging to one of the first generations of Muslims and who helped Muhammad after
Asim_ibn_Thabit
Recursive integer sequence
they were previously discovered in the 1730s by Minggatu. The n-th Catalan number can be expressed directly in terms of the central binomial coefficients
Catalan_number
Integer divisible by sum of its digits
In recreational mathematics, a Harshad number (or Niven number) in a given number base is an integer that is divisible by the sum of its digits when written
Harshad_number
Composite number with special property
In number theory, an n-Knödel number for a given positive integer n is a composite number m with the property that each i < m coprime to m satisfies i
Knödel_number
Size of a geometric arrangement of points
The term figurate number is used by different writers for members of different sets of numbers, generalizing from triangular numbers to different shapes
Figurate_number
Number that is less than the sum of its proper divisors
In number theory, an abundant number or excessive number is a positive integer for which the sum of its proper divisors is greater than the number. The
Abundant_number
number (or prime) is a natural number greater than 1 that has no divisors other than 1 and itself. By Euclid's theorem, there is an infinite number of
List_of_prime_numbers
Number used to approximate the square root of 2
starts with 0 and 1, and then each Pell number is the sum of twice the previous Pell number, plus the Pell number before that. The first few terms of the
Pell_number
Numbers whose sum of divisors is twice the number plus 1
unsolved problems in mathematics In mathematics, a quasiperfect number is a natural number n for which the sum of all its divisors (the sum-of-divisors function
Quasiperfect_number
Composite number in number theory
In number theory, a Carmichael number is a composite number n {\displaystyle n} which in modular arithmetic satisfies the congruence relation: b n
Carmichael_number
Two or more natural numbers with a common abundancy index
In number theory, friendly numbers are two or more natural numbers with a common abundancy index, the ratio between the sum of divisors of a number and
Friendly_number
Type of integer in number theory
In number theory, a polite number is a positive integer that can be written as the sum of two or more consecutive positive integers. A positive integer
Polite_number
Type of natural number
In number theory, a self number in a given number base b {\displaystyle b} is a natural number that cannot be written as the sum of any other natural
Self_number
Two raised to an integer power
A power of two is a number of the form 2n where n is an integer, that is, the result of exponentiation with the number two as the base and integer n as
Power_of_two
Square of a triangular number
In number theory, the sum of the first n cubes is the square of the nth triangular number. That is, 1 3 + 2 3 + 3 3 + ⋯ + n 3 = ( 1 + 2 + 3 + ⋯ + n ) 2
Squared_triangular_number
Polyhedral number representing a tetrahedron
A tetrahedral number, or triangular pyramidal number, is a figurate number that represents a pyramid with a triangular base and three sides, called a tetrahedron
Tetrahedral_number
Class of natural numbers with many divisors
In number theory, a superior highly composite number is a natural number which, in a particular rigorous sense, has many divisors. Particularly, it is
Superior highly composite number
Superior_highly_composite_number
Number of the form x^2 + xy + y^2
In number theory, the numbers of the form x2 + xy + y2 for integer x, y are called the Löschian numbers (or Loeschian numbers). These numbers are named
Löschian_number
The Quran collected by Uthman Ibn Affan
Quran: Zayd ibn Thabit, Abd Allah ibn al-Zubayr, Sa'id ibn al-'As, and 'Abd al-Rahman ibn al-Harith ibn Hisham, then he gave Zayd ibn Thabit and the three
Uthmanic_codex
Arab poet
Thabit ibn Jaber, better known by his epithet Ta'abbata Sharran (Arabic: تأبط شرا, romanized: Ta'abbaṭa Sharrā; lived late 6th century or early 7th century
Ta'abbata_Sharran
Base-dependent property of integers
In mathematics, a natural number in a given number base is a p {\displaystyle p} -Kaprekar number if the representation of its square in that base can
Kaprekar_number
Number that represents a hexagon with a dot in the center
mathematics and combinatorics, a centered hexagonal number, or centered hexagon number, is a centered figurate number that represents a hexagon with a dot in the
Centered_hexagonal_number
Mathematical integer sequence
mathematics, the Schröder number S n , {\displaystyle S_{n},} also called a large Schröder number or big Schröder number, describes the number of lattice paths
Schröder_number
Concept in number theory
In number theory, a narcissistic number (also known as a pluperfect digital invariant (PPDI), an Armstrong number (after Michael F. Armstrong) or a plus
Narcissistic_number
Number of the form (n * 2^n) - 1
number theory, a Woodall number (Wn) is any natural number of the form W n = n ⋅ 2 n − 1 {\displaystyle W_{n}=n\cdot 2^{n}-1} for some natural number
Woodall_number
Integer whose multiples are digit rotations
A cyclic number is an integer for which cyclic permutations of the digits are successive integer multiples of the number. The most widely known is the
Cyclic_number
Integer filtered out using a sieve similar to that of Eratosthenes
In number theory, a lucky number is a natural number in a set which is generated by a certain "sieve". This sieve is similar to the sieve of Eratosthenes
Lucky_number
Number whose square ends in the same digits
In mathematics, an automorphic number (sometimes referred to as a circular number) is a natural number in a given number base b {\displaystyle b} whose
Automorphic_number
Type of Poulet number
In number theory, a super-Poulet number is a Poulet number, or pseudoprime to base 2, whose every divisor d {\displaystyle d} divides 2 d − 2 {\displaystyle
Super-Poulet_number
Number that when multiplied by another number moves its last digit to its front
In mathematics, an n-parasitic number (in base 10) is a positive natural number which, when multiplied by n, results in movement of the last digit of its
Parasitic_number
Mathematical concept
Cullen number is a member of the integer sequence C n = n ⋅ 2 n + 1 {\displaystyle C_{n}=n\cdot 2^{n}+1} (where n {\displaystyle n} is a natural number). Cullen
Cullen_number
Figurate number
A pentagonal number is a figurate number that extends the concept of triangular and square numbers to the pentagon, but, unlike the first two, the patterns
Pentagonal_number
Numbers that evenly divide powers of 60
and have different names coming from their different areas of study. In number theory, these numbers are called 5-smooth, because they can be characterized
Regular_number
Number that has fewer digits than the number of digits in its prime factorization
In number theory, an extravagant number (also known as a wasteful number) is a natural number in a given number base that has fewer digits than the number
Extravagant_number
Integer that is both a perfect square and a triangular number
mathematics, a square triangular number (or triangular square number) is a number which is both a triangular number and a square number, in other words, the sum
Square_triangular_number
Product of two prime numbers
In number theory, a semiprime is a natural number that is the product of exactly two prime numbers. The two primes in the product may equal each other
Semiprime
Type of composite number with an even number of digits
recreational mathematics, a vampire number (or true vampire number) is a composite natural number with an even number of digits, that can be factored into
Vampire_number
Integers occurring in the coefficients of the Taylor series of 1/cosh t
combinatorics, specifically when counting the number of alternating permutations of a set with an even number of elements. The odd-indexed Euler numbers
Euler_number
Product of prime numbers, plus one
there are infinitely many prime numbers. A Euclid number of the second kind (also called Kummer number) is an integer of the form En = pn # − 1, where pn #
Euclid_number
Number that is more than the sum of its proper divisors
In number theory, a deficient number or defective number is a positive integer n for which the sum of divisors of n is less than 2n. Equivalently, it
Deficient_number
Class of series of figurate numbers, each having a central dot
k-gonal number contains k more dots than the previous layer. Each centered k-gonal number in the series is k times the previous triangular number, plus
Centered_polygonal_number
Type of number introduced by Mike Keith
mathematics, a Keith number or repfigit number (short for repetitive Fibonacci-like digit) is a natural number n {\displaystyle n} in a given number base b {\displaystyle
Keith_number
In math, a number that is equal to the sum of some of its factors
In number theory, an Erdős–Nicolas number is a number that is not perfect, but that equals one of the partial sums of its divisors. That is, a number n
Erdős–Nicolas_number
Positive integer with large prime factors
A k-rough number, as defined by Finch in 2001 and 2003, is a positive integer whose prime factors are all greater than or equal to k. k-roughness has alternately
Rough_number
Number n where the highest prime factor of (n^2 + 1) is at least 2n
In mathematics, a Størmer number or arc-cotangent irreducible number is a positive integer n {\displaystyle n} for which the greatest prime factor of n
Størmer_number
Prime such that p^2 divides 2^(p-1)-1
In number theory, a Wieferich prime is a prime number p such that p2 divides 2p − 1 − 1, therefore connecting these primes with Fermat's little theorem
Wieferich_prime
Number, non-palindrome after repeated sum with reverse
numbers exist? More unsolved problems in mathematics A Lychrel number is a natural number that cannot form a palindrome through the iterative process of
Lychrel_number
Number raised to the third power
algebra, the cube of a number n is its third power, that is, the result of multiplying three instances of n together. The cube of a number n is denoted n3,
Cube_(algebra)
Polytheistic astral religion of ancient Harran
almost fifty years and worked, like Thabit, within the rationalist tradition of Ptolemy. Thabit's son Sinan ibn Thabit served as court physician to three
Harranians
Positive integer of the form 4n + 1
In number theory, a branch of mathematics, a Hilbert number is a positive integer of the form 4n + 1 (Flannery & Flannery (2000, p. 35)). The Hilbert numbers
Hilbert_number
Number equal to the sum of all or some of its divisors
In number theory, a semiperfect number or pseudoperfect number is a natural number n equal to the sum of all or some of its proper divisors. A semiperfect
Semiperfect_number
Odd number with specific properties
In mathematics, a Riesel number is an odd natural number k for which k × 2 n − 1 {\displaystyle k\times 2^{n}-1} is composite for all natural numbers
Riesel_number
Number of ways to pair up n objects
These numbers also describe the number of matchings (the Hosoya index) of a complete graph on n vertices, the number of permutations on n elements that
Telephone number (mathematics)
Telephone_number_(mathematics)
Numbers in a type of Lucas sequence
starts with 0 and 1, then each following number is found by adding the number before it to twice the number before that. The first Jacobsthal numbers
Jacobsthal_number
Mathematical concept in prime numbers
power. In particular, a number that has two distinct representations as a sum of two squares is composite. Every idoneal number generates a set containing
Idoneal_number
Type of figurate number
A hexagonal number is a figurate number. The nth hexagonal number hn is the number of distinct dots in a pattern of dots consisting of the outlines of
Hexagonal_number
Number whose divisors add to a multiple of that number
perfect number (also called multiperfect number or pluperfect number) is a generalization of a perfect number. For a given natural number k, a number n is
Multiply_perfect_number
Function whose domain is the positive integers
log e ( x ) {\displaystyle \log _{e}(x)} . In number theory, an arithmetic, arithmetical, or number-theoretic function is generally any function whose
Arithmetic_function
Concept in combinatorics
In mathematics, the cake number, denoted by Cn, is the maximum of the number of regions into which a 3-dimensional cube can be partitioned by exactly
Cake_number
Property of a number
In mathematics, the persistence of a number is the number of times one must apply a given operation to an integer before reaching a fixed point at which
Persistence_of_a_number
Integer whose representation contains every digit in its number base
In mathematics, a pandigital number is an integer that in a given base has among its significant digits each digit used in the base at least once. For
Pandigital_number
Figurate number
A pyramidal number is the number of points in a pyramid with a polygonal base and triangular sides. The term often refers to square pyramidal numbers,
Pyramidal_number
Number that is the sum of its iterated totients
In number theory, a perfect totient number is an integer that is equal to the sum of its iterated totients. That is, one applies the totient function
Perfect_totient_number
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THABIT NUMBER
THABIT NUMBER
Boy/Male
Egyptian Muslim
Strong.
Girl/Female
Indian
Boy/Male
Indian
Firm
Boy/Male
Arabic, Muslim
Firm
Girl/Female
Muslim
Firm
Boy/Male
Indian
Piercing
Boy/Male
Muslim
Fruitful, Productive
Boy/Male
Indian
A scholar who wrote about Quran
Boy/Male
Muslim
From the name sabine An italian culture
Boy/Male
Hindu
Dear, History
Boy/Male
Arabic, Muslim, Sindhi
A Scholar who Wrote about Spelling in the Quran; Ibn Shabib
Male
Hebrew
Variant spelling of Hebrew Shabbath, SHABAT means "rest, Sabbath."
Boy/Male
African, Arabic, Egyptian, Hindu, Indian, Muslim, Sindhi
Firm; Strong; Established
Boy/Male
Arabic, Indian, Muslim
Firm
Boy/Male
Indian
Fruitful, Productive
Boy/Male
Muslim
A scholar who wrote about Quran
Boy/Male
Muslim/Islamic
Firm established
Boy/Male
Indian
Pious, Beautiful
Boy/Male
Muslim
Piercing. Glistening. Shooting star.
Boy/Male
Muslim
Firm
THABIT NUMBER
THABIT NUMBER
THABIT NUMBER
THABIT NUMBER
THABIT NUMBER
THABIT NUMBER
THABIT NUMBER
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