Is 3981 a deficient number and what is its deficiency?

Is 3981 a deficient number?

Here we will explain and calculate if 3981 is a deficient number and its deficiency if applicable.

3981 is a deficient number if the sum of its proper divisors is less than 3981.

The sum of its proper divisors is calculated as follows: 1 + 3 + 1327 = 1331.

1331 is less than 3981. Therefore, 3981 is a deficient number.

The deficiency of 3981 is 3981 minus the sum of its proper divisors. Thus, the deficiency of 3981 is 3981 - 1331 = 2650

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