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Squarely Sorted (Posted on 2013-07-27) Difficulty: 3 of 5
An integer n, such as 1128, is called "sorted" if its digits are in sorted order. Find the largest integer n such that both n and n2 are sorted.

No Solution Yet Submitted by Danish Ahmed Khan    
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  Subject Author Date
even more generallyCharlie2013-07-28 09:34:33
more generallyCharlie2013-07-27 15:49:06
re: answer with proof / neater & correctedJer2013-07-27 14:14:38
answer with proofDaniel2013-07-27 11:33:51
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