Перевод: с английского на русский

с русского на английский

hyperperfect

См. также в других словарях:

  • Hyperperfect number — In mathematics, a k hyperperfect number (sometimes just called hyperperfect number ) is a natural number n for which the equality n = 1 + k ( σ ( n ) − n − 1) holds, where σ ( n ) is the divisor function (i.e., the sum of all positive divisors of …   Wikipedia

  • Nombre Hyperparfait — En mathématiques, un nombre k hyperparfait (quelquefois simplement appelé nombre hyperparfait) est un nombre naturel n pour lequel l égalité reste valable, où est la fonction diviseur (c.a.d., la somme de tous les diviseurs positifs de n). Un… …   Wikipédia en Français

  • Nombre hyperparfait — En mathématiques, un nombre k hyperparfait (quelquefois simplement appelé nombre hyperparfait) est un nombre naturel n pour lequel l égalité reste valable, où est la fonction diviseur (c.a.d., la somme de tous les diviseurs positifs de n). Un… …   Wikipédia en Français

  • 1909 (number) — Number|number = 1909 range = cardinal = one thousand nine hundred [and] nine ordinal = th ordinal text = one thousand nine hundred [and] ninth numeral = factorization = 23 cdot 83 prime = divisor = 1, 23, 83, 1909 unicode = greek prefix = latin… …   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

  • Perfect number — In number theory, a perfect number is a positive integer that is equal to the sum of its proper positive divisors, that is, the sum of its positive divisors excluding the number itself (also known as its aliquot sum). Equivalently, a perfect… …   Wikipedia

  • Divisor — divisible redirects here. For divisibility of groups, see Divisible group. For the second operand of a division, see Division (mathematics). For divisors in algebraic geometry, see Divisor (algebraic geometry). For divisibility in the ring theory …   Wikipedia

  • Integer sequence — In mathematics, an integer sequence is a sequence (i.e., an ordered list) of integers. An integer sequence may be specified explicitly by giving a formula for its nth term, or implicitly by giving a relationship between its terms. For example,… …   Wikipedia

  • Composite number — A composite number is a positive integer which has a positive divisor other than one or itself. In other words a composite number is any positive integer greater than one that is not a prime number. So, if n > 0 is an integer and… …   Wikipedia

  • Highly composite number — This article is about numbers having many divisors. For numbers factorized only to powers of 2, 3, 5 and 7 (also named 7 smooth numbers), see Smooth number. A highly composite number (HCN) is a positive integer with more divisors than any… …   Wikipedia

  • Multiply perfect number — In mathematics, a multiply 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 called k perfect (or k fold perfect) if and only if the sum of… …   Wikipedia

Поделиться ссылкой на выделенное

Прямая ссылка:
Нажмите правой клавишей мыши и выберите «Копировать ссылку»