maths.special_numbers.deficient_numbers

A number n is said to be a Deficient number if the sum of its proper divisors is less than the number itself.

Examples of Deficient Numbers: 1, 2, 3, 4, 5, 7, 8, 9, 10, 11, 13, …

https://en.wikipedia.org/wiki/Deficient_number

Functions

is_deficient_number(→ bool)

This function takes an integer number as input.

Module Contents

maths.special_numbers.deficient_numbers.is_deficient_number(number: int) → bool

This function takes an integer number as input. Returns True if the number is a deficient number.

>>> is_deficient_number(-1)
False
>>> is_deficient_number(0)
False
>>> is_deficient_number(1)
True
>>> is_deficient_number(2)
True
>>> is_deficient_number(6)
False
>>> is_deficient_number(12)
False
>>> is_deficient_number(7)
True
>>> is_deficient_number(28)
False
>>> is_deficient_number(15)
True
>>> is_deficient_number(8.0)
Traceback (most recent call last):
    ...
TypeError: Input value of [number=8.0] must be an integer