Just For Fun

6174 – Kaprekar’s Constant

Here's a random 4-digit number that I bet you didn't know was special. 6174.  Follow these instructions and you will (if you have done things correctly), ALWAYS end up with 6174. 1. Pick any four numbers between 0 - 9. The only rule here is you must pick at least… Continue reading 6174 – Kaprekar’s Constant