Is 851 a deficient number and what is its deficiency?

Is 851 a deficient number?

Here we will explain and calculate if 851 is a deficient number and its deficiency if applicable.

851 is a deficient number if the sum of its proper divisors is less than 851.

The sum of its proper divisors is calculated as follows: 1 + 23 + 37 = 61.

61 is less than 851. Therefore, 851 is a deficient number.

The deficiency of 851 is 851 minus the sum of its proper divisors. Thus, the deficiency of 851 is 851 - 61 = 790

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