Is 1365 a deficient number and what is its deficiency?

Is 1365 a deficient number?

Here we will explain and calculate if 1365 is a deficient number and its deficiency if applicable.

1365 is a deficient number if the sum of its proper divisors is less than 1365.

The sum of its proper divisors is calculated as follows: 1 + 3 + 5 + 7 + 13 + 15 + 21 + 35 + 39 + 65 + 91 + 105 + 195 + 273 + 455 = 1323.

1323 is less than 1365. Therefore, 1365 is a deficient number.

The deficiency of 1365 is 1365 minus the sum of its proper divisors. Thus, the deficiency of 1365 is 1365 - 1323 = 42

Deficient Calculator
You can enter another number here to check if it is a deficient number:

Is 1366 a deficient number?
Go here for the next number on our list. Is it deficient?