Is 1961 a deficient number and what is its deficiency?

Is 1961 a deficient number?

Here we will explain and calculate if 1961 is a deficient number and its deficiency if applicable.

1961 is a deficient number if the sum of its proper divisors is less than 1961.

The sum of its proper divisors is calculated as follows: 1 + 37 + 53 = 91.

91 is less than 1961. Therefore, 1961 is a deficient number.

The deficiency of 1961 is 1961 minus the sum of its proper divisors. Thus, the deficiency of 1961 is 1961 - 91 = 1870

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