Is 993 a deficient number and what is its deficiency?

Is 993 a deficient number?

Here we will explain and calculate if 993 is a deficient number and its deficiency if applicable.

993 is a deficient number if the sum of its proper divisors is less than 993.

The sum of its proper divisors is calculated as follows: 1 + 3 + 331 = 335.

335 is less than 993. Therefore, 993 is a deficient number.

The deficiency of 993 is 993 minus the sum of its proper divisors. Thus, the deficiency of 993 is 993 - 335 = 658

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