Fun with num3ers
Tuesday, April 26, 2011
Transposable integer
http://en.wikipedia.org/wiki/Transposable_integer
Given a positive integer k another positive integer x is said to be k-transposable if, when its leftmost digit is moved to the unit's place, the resulting integer is k*x
For example, the integer 142857 is 3-transposable since
428571 = 3 * 142857
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