Monday, October 15, 2007

Kaprekar's Constant

Take any four digit number.Formthe biggest and smallest numbers using the digits.
Substract the small number from the Big one.
Repeat the process.
You will get 6174
This is Kaprekar's constant.
Eg. Take 8426
Biggest number is 8642
Smallest number is 2468
substract ......
6174

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