Is 65 a deficient number and what is its deficiency?

Is 65 a deficient number?

Here we will explain and calculate if 65 is a deficient number and its deficiency if applicable.

65 is a deficient number if the sum of its proper divisors is less than 65.

The sum of its proper divisors is calculated as follows: 1 + 5 + 13 = 19.

19 is less than 65. Therefore, 65 is a deficient number.

The deficiency of 65 is 65 minus the sum of its proper divisors. Thus, the deficiency of 65 is 65 - 19 = 46

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