weird number (English, noun)
expansion: weird number (plural weird numbers)
Senses:
topics: mathematics
number-theory
sciences
glosses: A 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.
Forms:
form: weird numbers
tags: plural