Is 1321 a deficient number and what is its deficiency?

Is 1321 a deficient number?

Here we will explain and calculate if 1321 is a deficient number and its deficiency if applicable.

1321 is a deficient number if the sum of its proper divisors is less than 1321.

The sum of its proper divisors is calculated as follows: 1 = 1.

1 is less than 1321. Therefore, 1321 is a deficient number.

The deficiency of 1321 is 1321 minus the sum of its proper divisors. Thus, the deficiency of 1321 is 1321 - 1 = 1320

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