Is 511 a deficient number and what is its deficiency?

Is 511 a deficient number?

Here we will explain and calculate if 511 is a deficient number and its deficiency if applicable.

511 is a deficient number if the sum of its proper divisors is less than 511.

The sum of its proper divisors is calculated as follows: 1 + 7 + 73 = 81.

81 is less than 511. Therefore, 511 is a deficient number.

The deficiency of 511 is 511 minus the sum of its proper divisors. Thus, the deficiency of 511 is 511 - 81 = 430

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

Is 512 a deficient number?
Go here for the next number on our list. Is it deficient?