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Point to 2013 (Posted on 2013-01-09) Difficulty: 3 of 5
Determine the minimum value of a positive integer N such that the 2nd, 3rd, 4th and 5th digits in order immediately following the decimal point (reading left to right) in the base ten expansion of √N is 2013.

*** For an extra challenge, solve this puzzle without using a computer program.

No Solution Yet Submitted by K Sengupta    
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re(2): With computer | Comment 3 of 7 |
(In reply to re: With computer by Ady TZIDON)

I tried a lot of things too.  I got nowhere.

One promising thing was to use the method of extracting square roots by hand but the algebra gets immensely complicated.

  Posted by Jer on 2013-01-09 13:40:49

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