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Discussion of Problem 1698. Square Country 5

a problem
Posted by ddong 14 Mar 2009 17:35
whether 125 is a easy-number or not?
Re: a problem
Posted by kis 14 Mar 2009 17:55
no(125^2=15 625).
25 is an easy number because 25^2=6 25.
212890625 is an easy number because 212890625^2=45322418 212890625.