hyperperfect number
hyperperfect number · hyperperfect numbers
Any natural number n for which, for some positive integer k, n = 1 + k - n - 1), where…Any natural number n for which, for some positive integer k, n = 1 + k(σ(n) - n - 1), where σ(n) is the sum of the positive divisors of n.
Meaning
1 sensesAny natural number n for which, for some positive integer k, n = 1 + k(σ(n) - n - 1), where σ(n) is the sum of the positive divisors of n.
1966, American Mathematical Society Translations, page 258, […] the asymptotic density of all hyperperfect numbers, that is, numbers m for which m | σ(m), is equal to zero.
Origin
From hyper- + perfect number.From hyper- + perfect number.
Wiktionary, CC BY-SA 4.0 · source
Forms
plural: hyperperfect numbers| Singular | hyperperfect number |
|---|---|
| Plural | hyperperfect numbers |
regular
Word family
1 related wordsRelatedperfect number