Is 51 a deficient number and what is its deficiency?

Is 51 a deficient number?

Here we will explain and calculate if 51 is a deficient number and its deficiency if applicable.

51 is a deficient number if the sum of its proper divisors is less than 51.

The sum of its proper divisors is calculated as follows: 1 + 3 + 17 = 21.

21 is less than 51. Therefore, 51 is a deficient number.

The deficiency of 51 is 51 minus the sum of its proper divisors. Thus, the deficiency of 51 is 51 - 21 = 30

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