Standard Lemma guide
Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.
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adj
Being or relating to a class of positive integers satisfying σ2(n)=σ(σ(n))=2n,, where σ is the divisor function. They are a generalization of perfect numbers.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: mathematics, sciences
No example sentence was provided for this meaning.
Synonyms: none provided
Antonyms: none provided
History
From super- + perfect, coined by Suryanarayana in 1969.
