Weird number

Noun

Definitions

1.NounA natural number that is abundant but not semiperfect; one for which the sum of the proper divisors (including 1 but not itself) is greater than the number, but no subset of those divisors sums to the number itself.

Synonyms

abundant number deficient number perfect number hyperperfect number odd number prime number semiprime composite number friendly number sociable number superparticular number defective number

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