Musings – 6174: The Kaprekar Constant

The number 6174 6174 is known as Kaprekar’s constant after the Indian mathematician D. R. Kaprekar. This number is notable for the following property: 1. Take any four-digit number with at least two digits different. (Leading zeros are allowed.) 2. Arrange the digits in ascending and then in descending order to get two four-digit numbers, … Continue reading Musings – 6174: The Kaprekar Constant