Kaprekar number

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1	Coffee Hour Problems and Solutions Edited by Matthew McMullen Fall 2014 Week 1. Proposed by Matthew McMullen. Kaprekar’s routine is when you take a number, arrange its digits in descending and then ascending order to g Add to Reading List Source URL: faculty.otterbein.edu Language: English - Date: 2014-11-21 07:44:27 Logarithm Inverse trigonometric functions Mathematical fallacy Area Trigonometric functions Sine Pi Mathematics Trigonometry Mathematical analysis
2	16 Roby Ellis and Jason Lewis Add to Reading List Source URL: www.rose-hulman.edu Language: English - Date: 2005-10-14 18:11:52 495 90000 100000 Number Telephone numbers in the United Kingdom Kaprekar number Lychrel number Mathematics 6174 D. R. Kaprekar