Is 1805 a deficient number and what is its deficiency?

Is 1805 a deficient number?

Here we will explain and calculate if 1805 is a deficient number and its deficiency if applicable.

1805 is a deficient number if the sum of its proper divisors is less than 1805.

The sum of its proper divisors is calculated as follows: 1 + 5 + 19 + 95 + 361 = 481.

481 is less than 1805. Therefore, 1805 is a deficient number.

The deficiency of 1805 is 1805 minus the sum of its proper divisors. Thus, the deficiency of 1805 is 1805 - 481 = 1324

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