Is 1371 a deficient number and what is its deficiency?

Is 1371 a deficient number?

Here we will explain and calculate if 1371 is a deficient number and its deficiency if applicable.

1371 is a deficient number if the sum of its proper divisors is less than 1371.

The sum of its proper divisors is calculated as follows: 1 + 3 + 457 = 461.

461 is less than 1371. Therefore, 1371 is a deficient number.

The deficiency of 1371 is 1371 minus the sum of its proper divisors. Thus, the deficiency of 1371 is 1371 - 461 = 910

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