Determine the minimum value of a positive integer N such that the four digits immediately following the decimal point in the base ten expansion of √N is 2012.
*** For an extra challenge, solve this puzzle without using a computer program.
(In reply to computer solution
Oops, I've missed this one .
3869; 19377; 20794; 22261. WERE MY ANSWERS,-
SOMEHOW OVERLOOKED THE SMALLEST ONE
BTW . the integer parts of the last three (I39,144,149) form an arithmetic progression.
Edited on April 4, 2012, 2:32 pm