Kaprekar's operation
6174 is a very mysterious number. Yutaka Nishiyama explains why, and how beautiful mathematical oddities can inspire us to discover new mathematics.
© 1997-2004, Millennium Mathematics Project, University
of Cambridge.
Permission is granted to print and copy this page on paper for non-commercial use. For other uses, including electronic redistribution, please contact us.
Permission is granted to print and copy this page on paper for non-commercial use. For other uses, including electronic redistribution, please contact us.
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