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2005 a square? Baseless! (Posted on 2005-05-30) Difficulty: 3 of 5
2005 base 10 is not a square. Neither is 2005 base 7 a square (equal 2*7^3+5=691). Is there any base b such that 2005 base b is a square?

See The Solution Submitted by McWorter    
Rating: 3.6000 (5 votes)

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  Subject Author Date
re: Since it was not tacitily stated...McWorter2005-06-04 23:53:17
SolutionSince it was not tacitily stated...pcbouhid2005-06-04 23:16:40
SolutionModulo solutionNick Hobson2005-06-01 20:10:16
re(2): SolutionRobby Goetschalckx2005-06-01 07:52:01
Some ThoughtsA Modulus Based Solution !?!brianjn2005-06-01 07:30:34
re(3): Solutionpcbouhid2005-06-01 00:35:35
re(3): Solutionpcbouhid2005-06-01 00:32:00
Some Thoughtsre(2): SolutionBruno2005-05-31 23:31:09
re: Solutionpcbouhid2005-05-31 19:35:47
re: Possibly?McWorter2005-05-31 17:32:27
SolutionSolutionRobby Goetschalckx2005-05-31 09:01:23
Possibly?Michael S. McCracken2005-05-31 04:38:22
Some Thoughtsradical solutionLarry2005-05-31 00:12:53
re(3): when the base is odd...Richard2005-05-30 23:37:47
re(2): when the base is odd...pcbouhid2005-05-30 22:14:18
re: when the base is odd...Richard2005-05-30 22:05:55
Some Thoughtswhen the base is odd...pcbouhid2005-05-30 20:10:36
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