Is 1397 a deficient number and what is its deficiency?

Is 1397 a deficient number?

Here we will explain and calculate if 1397 is a deficient number and its deficiency if applicable.

1397 is a deficient number if the sum of its proper divisors is less than 1397.

The sum of its proper divisors is calculated as follows: 1 + 11 + 127 = 139.

139 is less than 1397. Therefore, 1397 is a deficient number.

The deficiency of 1397 is 1397 minus the sum of its proper divisors. Thus, the deficiency of 1397 is 1397 - 139 = 1258

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