Is 1431 a deficient number and what is its deficiency?

Is 1431 a deficient number?

Here we will explain and calculate if 1431 is a deficient number and its deficiency if applicable.

1431 is a deficient number if the sum of its proper divisors is less than 1431.

The sum of its proper divisors is calculated as follows: 1 + 3 + 9 + 27 + 53 + 159 + 477 = 729.

729 is less than 1431. Therefore, 1431 is a deficient number.

The deficiency of 1431 is 1431 minus the sum of its proper divisors. Thus, the deficiency of 1431 is 1431 - 729 = 702

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