Is 1331 a deficient number and what is its deficiency?

Is 1331 a deficient number?

Here we will explain and calculate if 1331 is a deficient number and its deficiency if applicable.

1331 is a deficient number if the sum of its proper divisors is less than 1331.

The sum of its proper divisors is calculated as follows: 1 + 11 + 121 = 133.

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

The deficiency of 1331 is 1331 minus the sum of its proper divisors. Thus, the deficiency of 1331 is 1331 - 133 = 1198

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