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Same Six Digits (Posted on 2014-03-26) Difficulty: 3 of 5
What are the possible values of a six digit positive integer N, where all digits of N are different, and 4*N has the same six digits as N?

Prove that there are no others.

No Solution Yet Submitted by K Sengupta    
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  Subject Author Date
re(2): Let me count the waysAdy TZIDON2014-03-26 13:44:26
Hints/Tipsre: Let Me REcount the waysAdy TZIDON2014-03-26 13:42:26
Some Thoughtsre: Let me count the waysSteve Herman2014-03-26 13:42:02
Hints/Tipsre: program solution qualifies for Sloane's listingAdy TZIDON2014-03-26 13:26:03
Solutionprogram solutionCharlie2014-03-26 10:59:32
Some ThoughtsLet me count the waysSteve Herman2014-03-26 10:21:32
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