Is 3993 a deficient number and what is its deficiency?

Is 3993 a deficient number?

Here we will explain and calculate if 3993 is a deficient number and its deficiency if applicable.

3993 is a deficient number if the sum of its proper divisors is less than 3993.

The sum of its proper divisors is calculated as follows: 1 + 3 + 11 + 33 + 121 + 363 + 1331 = 1863.

1863 is less than 3993. Therefore, 3993 is a deficient number.

The deficiency of 3993 is 3993 minus the sum of its proper divisors. Thus, the deficiency of 3993 is 3993 - 1863 = 2130

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