PERFECT NUMBER


Meaning of PERFECT NUMBER in English

Math.

a positive number that is equal to the sum of all positive integers that are submultiples of it, as 6, which is equal to the sum of 1, 2, and 3. Cf. abundant number, deficient number .

[ 1350-1400; ME ]

Random House Webster's Unabridged English dictionary.      Полный английский словарь Вебстер - Random House .