Is 1023 a deficient number and what is its deficiency?

Is 1023 a deficient number?

Here we will explain and calculate if 1023 is a deficient number and its deficiency if applicable.

1023 is a deficient number if the sum of its proper divisors is less than 1023.

The sum of its proper divisors is calculated as follows: 1 + 3 + 11 + 31 + 33 + 93 + 341 = 513.

513 is less than 1023. Therefore, 1023 is a deficient number.

The deficiency of 1023 is 1023 minus the sum of its proper divisors. Thus, the deficiency of 1023 is 1023 - 513 = 510

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