Is 669 a deficient number and what is its deficiency?

Is 669 a deficient number?

Here we will explain and calculate if 669 is a deficient number and its deficiency if applicable.

669 is a deficient number if the sum of its proper divisors is less than 669.

The sum of its proper divisors is calculated as follows: 1 + 3 + 223 = 227.

227 is less than 669. Therefore, 669 is a deficient number.

The deficiency of 669 is 669 minus the sum of its proper divisors. Thus, the deficiency of 669 is 669 - 227 = 442

Deficient Calculator
You can enter another number here to check if it is a deficient number:

Is 670 a deficient number?
Go here for the next number on our list. Is it deficient?