irregular prime

irregular prime
Any odd prime number that is not a regular prime.

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  • Irregular — Something that is irregular does not follow the expected pattern. The term is used in many different fields, with quite different meanings.* In astronomy, an astronomical object whose shape or behavior varies considerably from the archetype is… …   Wikipedia

  • Regular prime — In number theory, a regular prime is a certain kind of prime number. A prime number p is called regular if it does not divide the class number of the p th cyclotomic field (that is, the algebraic number field obtained by adjoining the p th root… …   Wikipedia

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  • E-Prime — E Prime, short for English Prime, is a modified English syntax and vocabulary lacking all forms of the verb to be : be, is, am, are, was, were, been and being, and also their contractions. Sentences composed in E Prime seldom contain the passive… …   Wikipedia

  • regular prime — noun A prime number belonging to one of the two groups that prime numbers are divided into. The other group is the irregular primes …   Wiktionary

  • Bernoulli number — In mathematics, the Bernoulli numbers Bn are a sequence of rational numbers with deep connections to number theory. They are closely related to the values of the Riemann zeta function at negative integers. There are several conventions for… …   Wikipedia

  • 257 (number) — 257 is the natural number between 256 and 258. It is also a prime number.Number|number = 257 range = 0 1000 cardinal = two hundred [and] fifty seven ordinal = th ordinal text = numeral = factorization = prime prime = divisor = roman = CCLVII… …   Wikipedia

  • 233 (number) — 233 is the natural number between 232 and 234. It is also a prime number.In mathematics233 is an irregular prime, a full reptend prime, a cousin prime, a Chen prime, and a sexy prime. It is an Eisenstein prime of the form 3n 1 with no imaginary… …   Wikipedia

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