Definitions from Wiktionary (perfect number)
▸ noun: (number theory) A number that is the sum of all of its divisors except itself.
almost perfect number,
multiply perfect number,
plus perfect number,
unitary perfect number,
Perfect totient number,
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▸ noun: (number theory) A number that is the sum of all of its divisors except itself.
Similar:
deficient number,
abundant number,
prime number,
practical number,
weird number,
even number,
highly composite number,
multiple,
sociable number,
hyperperfect number,
more...
Opposite:
Phrases:
▸ Words similar to perfect number
▸ Usage examples for perfect number
▸ Idioms related to perfect number
▸ Wikipedia articles (New!)
▸ Words that often appear near perfect number
▸ Rhymes of perfect number
▸ Invented words related to perfect number