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Add 1, get a square (Posted on 2008-07-17) Difficulty: 3 of 5
By adding 1 to the non leading zeros number N = AAABBBCCC, it becomes a square. Find N.

A, B, and C are different digits.

Note: While a solution is trivial with the aid of a computer program, show how to derive it without one.

See The Solution Submitted by pcbouhid    
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  Subject Author Date
Trivia - and reflection on earlier commentsbrianjn2008-07-18 00:35:17
SolutionSolution (partial analysis)Dej Mar2008-07-17 20:26:49
SolutionAnalytic SolutionK Sengupta2008-07-17 11:37:40
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