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Going Maximum with Geometric (Posted on 2011-10-21) Difficulty: 3 of 5
Determine the maximum value of a (base ten) positive integer N (with non leading zeroes) such that each of the digits of N, with the exception of the first digit and the last digit, is less than the geometric mean of the two neighboring digits.

*** For an extra challenge, solve this puzzle without the aid of a computer program.

See The Solution Submitted by K Sengupta    
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re: Analysis and solution Comment 4 of 4 |
(In reply to Analysis and solution by Jer)

Jer, that was a clear and precise analytic methodology which I have incorporated in my solution.  
  Posted by K Sengupta on 2012-03-21 09:57:15

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