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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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Possibly? | Comment 6 of 17 |
Is log 2005 base 2005=1?  If so, that's a square and an easy soln.
  Posted by Michael S. McCracken on 2005-05-31 04:38:22
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