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Permute 2 Power (Posted on 2009-11-18) Difficulty: 2 of 5
Prove that there does not exist any positive integer N which is a power of 2 such that the digits of N (in the base ten representation) can be permuted to form a different power of 2. It is known that neither N nor any of the permutations of the digits of N can contain any leading zero.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
Solutionsolution (spoiler)Charlie2009-11-18 15:15:20
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