Is 1366 a deficient number and what is its deficiency?

Is 1366 a deficient number?

Here we will explain and calculate if 1366 is a deficient number and its deficiency if applicable.

1366 is a deficient number if the sum of its proper divisors is less than 1366.

The sum of its proper divisors is calculated as follows: 1 + 2 + 683 = 686.

686 is less than 1366. Therefore, 1366 is a deficient number.

The deficiency of 1366 is 1366 minus the sum of its proper divisors. Thus, the deficiency of 1366 is 1366 - 686 = 680

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