pseudoperfect

English

Adjective

pseudoperfect (comparative more pseudoperfect, superlative most pseudoperfect)

  1. (mathematics) Of a number, having proper divisors, some or all of which sum to the number itself.
    Synonym: semiperfect
    The number 18 is pseudoperfect, because 3 + 6 + 9 = 18.

Derived terms
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