The number 65 is classified as a deficient number. A deficient number is one for which the sum of its proper divisors is less than the number itself. The proper divisors of 65 are 1, 5, and 13, which sum to 19, significantly less than 65. Therefore, 65 is considered deficient.
abundant
It is deficient.
It is deficient.
15 is deficient.
64 is deficient.
deficient
it is abundant
abundant
13 is deficient.
deficient
It is deficient.
36 is abundant.