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bn:02574669n
Noun Concept
Categories: Integer sequences
EN
semiperfect number  irreducible pseudoperfect number  irreducible semiperfect number  primitive pseudoperfect number  primitive semiperfect number
EN
In number theory, a semiperfect number or pseudoperfect number is a natural number n that is equal to the sum of all or some of its proper divisors. Wikipedia
Definitions
Relations
Sources
EN
In number theory, a semiperfect number or pseudoperfect number is a natural number n that is equal to the sum of all or some of its proper divisors. Wikipedia
IS A
natural number
HAS KIND
unitary perfect number
HAS INSTANCE
twelve
Wikipedia
EN
semiperfect number
Wikidata
EN
semiperfect number
Wikipedia Redirections
EN
irreducible pseudoperfect number, irreducible semiperfect number, primitive pseudoperfect number, primitive semiperfect number, pseudoperfect number, semiperfect
Wikidata Alias
EN
Semiperfect number, pseudoperfect number

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