Is 2105 a deficient number and what is its deficiency?

Is 2105 a deficient number?

Here we will explain and calculate if 2105 is a deficient number and its deficiency if applicable.

2105 is a deficient number if the sum of its proper divisors is less than 2105.

The sum of its proper divisors is calculated as follows: 1 + 5 + 421 = 427.

427 is less than 2105. Therefore, 2105 is a deficient number.

The deficiency of 2105 is 2105 minus the sum of its proper divisors. Thus, the deficiency of 2105 is 2105 - 427 = 1678

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