Article contents
A classification of Kaprekar constant
Published online by Cambridge University Press: 23 January 2015
Extract
The number 6174 has the well-known property that it equals the difference between the numbers formed by rearranging its digits in descending and ascending orders :
Numbers with this property are called Kaprekar constants after the Indian mathematician D. R. Kaprekar [1]. Similarly, the general process of finding the difference between numbers formed by rearranging digits in descending and ascending orders is called the Kaprekar process.
- Type
- Articles
- Information
- Copyright
- Copyright © The Mathematical Association 2011
References
- 2
- Cited by