Home > Just Math
Same Six Digits (Posted on 20140326) 

What are the possible values of a six digit positive integer N, where all digits of N are different, and 4*N has the same six digits as N?
Prove that there are no others.
Comments: (
You must be logged in to post comments.)


Please log in:
Forums (0)
Newest Problems
Random Problem
FAQ 
About This Site
Site Statistics
New Comments (2)
Unsolved Problems
Top Rated Problems
This month's top
Most Commented On
Chatterbox:
