Synonyms for deficient number

Most common

defective number

All synonyms

Noun

Definitions

1. n. 1

   A number that is greater than the sum of all of its divisors except itself.

   The factors of 22 are 1, 2 and 11 and 22, and 1 + 2 + 11 = 14, which is less than 22, so 22 is a deficient number.