English Explanatory Dictionary

hyperperfect number

English dictionary entry

Meanings

noun
  1. 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.

Word forms

hyperperfect number hyperperfect numbers

Etymology

From hyper- + perfect number.

Related words

perfect number superperfect number

Derived words

-hyperperfect number
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