Is 979 a deficient number and what is its deficiency?

Is 979 a deficient number?

Here we will explain and calculate if 979 is a deficient number and its deficiency if applicable.

979 is a deficient number if the sum of its proper divisors is less than 979.

The sum of its proper divisors is calculated as follows: 1 + 11 + 89 = 101.

101 is less than 979. Therefore, 979 is a deficient number.

The deficiency of 979 is 979 minus the sum of its proper divisors. Thus, the deficiency of 979 is 979 - 101 = 878

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