Is 2181 a deficient number and what is its deficiency?

Is 2181 a deficient number?

Here we will explain and calculate if 2181 is a deficient number and its deficiency if applicable.

2181 is a deficient number if the sum of its proper divisors is less than 2181.

The sum of its proper divisors is calculated as follows: 1 + 3 + 727 = 731.

731 is less than 2181. Therefore, 2181 is a deficient number.

The deficiency of 2181 is 2181 minus the sum of its proper divisors. Thus, the deficiency of 2181 is 2181 - 731 = 1450

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