Is 1663 a deficient number and what is its deficiency?

Is 1663 a deficient number?

Here we will explain and calculate if 1663 is a deficient number and its deficiency if applicable.

1663 is a deficient number if the sum of its proper divisors is less than 1663.

The sum of its proper divisors is calculated as follows: 1 = 1.

1 is less than 1663. Therefore, 1663 is a deficient number.

The deficiency of 1663 is 1663 minus the sum of its proper divisors. Thus, the deficiency of 1663 is 1663 - 1 = 1662

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