Is 2191 a deficient number and what is its deficiency?

Is 2191 a deficient number?

Here we will explain and calculate if 2191 is a deficient number and its deficiency if applicable.

2191 is a deficient number if the sum of its proper divisors is less than 2191.

The sum of its proper divisors is calculated as follows: 1 + 7 + 313 = 321.

321 is less than 2191. Therefore, 2191 is a deficient number.

The deficiency of 2191 is 2191 minus the sum of its proper divisors. Thus, the deficiency of 2191 is 2191 - 321 = 1870

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