Is 2091 a deficient number and what is its deficiency?

Is 2091 a deficient number?

Here we will explain and calculate if 2091 is a deficient number and its deficiency if applicable.

2091 is a deficient number if the sum of its proper divisors is less than 2091.

The sum of its proper divisors is calculated as follows: 1 + 3 + 17 + 41 + 51 + 123 + 697 = 933.

933 is less than 2091. Therefore, 2091 is a deficient number.

The deficiency of 2091 is 2091 minus the sum of its proper divisors. Thus, the deficiency of 2091 is 2091 - 933 = 1158

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