Superperfect

Adjective

Définitions

1.AdjectiveBeing or relating to a class of positive integers satisfying σ 2 ( n ) = σ ( σ ( n ) ) = 2 n , {\displaystyle \sigma ^{2}(n)=\sigma (\sigma (n))=2n\,,} where σ is the divisor function. They are a generalization of perfect numbers.

🔗 Find words with "superperfect" in A2Z Word Finder

The Daily Word NerdA new word, a puzzle, and a fun fact — free in your inbox every morning.

Free forever · unsubscribe anytime · all 14 newsletters

That email did not go through — please check it and try again.