deficient number

短语

词形变化

deficient numbers 复数 deficient numbers

释义与例句

n.
  1. 1.

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

    数学

    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.