Thursday, March 13, 2008

Square Numbers

Can you find the lowest nine-digit square number that uses the digits 1 to 9 once each only, and then find the highest square number to use the same nine digits?

Eric

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5 Comments:

Anonymous Patrick A. said...

The numbers will both have to end in 1,4,5,6,9.

Other than that; good luck!

March 13, 2008 2:35 PM  
Blogger Rajesh Lal said...

eric send me your email address

March 13, 2008 3:05 PM  
Anonymous Euclid's Brother said...

11826^2 = 139854276
30384^2 = 923187456

March 14, 2008 3:27 PM  
Anonymous mo said...

euclid's brother, how did you find that out? Did you write a program?

March 14, 2008 5:01 PM  
Anonymous Keenan said...

I'd say he wrote a program or has a lot of time on his hands! :)

March 15, 2008 1:35 PM  

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