test of divisibility
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Divisibility rule — A divisibility rule is a shorthand way of discovering whether a given number is divisible by a fixed divisor without performing the division, usually by examining its digits. Although there are divisibility tests for numbers in any radix, and… … Wikipedia
Base conversion divisibility test — The base conversion divisibility test is a process that can be used to determine whether or not a certain (positive) natural number a can be divided evenly into a larger natural number b . It is the general case for the well known test for… … Wikipedia
Primality test — A primality test is an algorithm for determining whether an input number is prime. Amongst other fields of mathematics, it is used for cryptography. Unlike integer factorization, primality tests do not generally give prime factors, only stating… … Wikipedia
11 (number) — Number|number = 11 range = 10s cardinal = eleven ordinal = th ordinal text = numeral = undecimal factorization = prime prime = divisor = 1, 11 roman = XI unicode = greek prefix = (from Greek) latin prefix = (from Latin) bin = 1011 oct = 102 duo … Wikipedia
25 (number) — ← 24 26 → 25 ← 20 21 22 23 24 25 26 … Wikipedia
Pandigital number — 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 example, 1223334444555567890 is a pandigital number in base 10. The first few pandigital base… … Wikipedia
Fibonacci number — A tiling with squares whose sides are successive Fibonacci numbers in length … Wikipedia
List of NP-complete problems — Here are some of the more commonly known problems that are NP complete when expressed as decision problems. This list is in no way comprehensive (there are more than 3000 known NP complete problems). Most of the problems in this list are taken… … Wikipedia
Prime number — Prime redirects here. For other uses, see Prime (disambiguation). A prime number (or a prime) is a natural number greater than 1 that has no positive divisors other than 1 and itself. A natural number greater than 1 that is not a prime number is… … Wikipedia
Liste De Problèmes NP-Complets — Ceci est une liste des problèmes NP complets les plus connus en théorie de la complexité des algorithmes, exprimés sous la forme d un problèmes de la décision. Puisqu on connaît plus de 3000 problèmes NP complets, cette liste n est pas exhaustive … Wikipédia en Français
Liste de problemes NP-complets — Liste de problèmes NP complets Ceci est une liste des problèmes NP complets les plus connus en théorie de la complexité des algorithmes, exprimés sous la forme d un problèmes de la décision. Puisqu on connaît plus de 3000 problèmes NP complets,… … Wikipédia en Français
