Add Kaprekar's Constant (6174) Algorithm to Special Numbers #13862

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xingarr wants to merge 1 commit into TheAlgorithms:master from xingarr:feature/add-kaprekar-constant-algorithm

xingarr commented Nov 4, 2025

Description

This PR adds an implementation of Kaprekar's Constant (6174) algorithm to the maths/special_numbers directory.

What is Kaprekar's Constant?

Kaprekar's Constant is a fascinating mathematical property discovered by Indian mathematician D. R. Kaprekar in 1949. When you:

Take any 4-digit number with at least two different digits
Arrange digits in descending order (largest number)
Arrange digits in ascending order (smallest number)
Subtract smaller from larger
Repeat with the result


          feat: add Kaprekar's Constant (6174) algorithm to special numbers

24f9a23

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