The Kaprekar Number Calculator


There are many curious patterns in Mathematics. One of them is created by the Kaprekar method.

The Kaprekar method is very easy to use and is the following:

Eventually, usually after a few steps, you will end up with the Kaprekar number.


Type the number you would like to perform the Kaprekar method on:

How many steps repetitions of the method would you like to perform? (10 should be enough)

You can use the calculator to investigate what happens to numbers which do not have 4 digits using the same method. 


Created by Jamie Coventry