Is 2139 a deficient number and what is its deficiency?

Is 2139 a deficient number?

Here we will explain and calculate if 2139 is a deficient number and its deficiency if applicable.

2139 is a deficient number if the sum of its proper divisors is less than 2139.

The sum of its proper divisors is calculated as follows: 1 + 3 + 23 + 31 + 69 + 93 + 713 = 933.

933 is less than 2139. Therefore, 2139 is a deficient number.

The deficiency of 2139 is 2139 minus the sum of its proper divisors. Thus, the deficiency of 2139 is 2139 - 933 = 1206

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

Is 2140 a deficient number?
Go here for the next number on our list. Is it deficient?