maths.special_numbers.kaprekar_number
=====================================

.. py:module:: maths.special_numbers.kaprekar_number

.. autoapi-nested-parse::

   == Kaprekar Number ==
   A number n is a Kaprekar number if its square can be split into two parts
   (left and right) that add up to n, where the right part is non-zero.

   Examples: 1, 9, 45, 55, 99, 297, 703, 999, 2223, 4950, 5050, 7272, 9999
   Reference: https://en.wikipedia.org/wiki/Kaprekar_number



Functions
---------

.. autoapisummary::

   maths.special_numbers.kaprekar_number.is_kaprekar


Module Contents
---------------

.. py:function:: is_kaprekar(number: int) -> bool

   Returns True if number is a Kaprekar number, False otherwise.

   >>> is_kaprekar(1)
   True
   >>> is_kaprekar(9)
   True
   >>> is_kaprekar(45)
   True
   >>> is_kaprekar(55)
   True
   >>> is_kaprekar(10)
   False
   >>> is_kaprekar(0)
   False
   >>> is_kaprekar(-1)
   False
   >>> is_kaprekar(2223)
   True
   >>> is_kaprekar(1.5)
   Traceback (most recent call last):
       ...
   TypeError: Input value of [number=1.5] must be an integer