Daily Tech Puzzle #26
Sponsored by MindSumo
The positive integers n and n^2 both end in the same sequence of four digits abcd when written in base 10, where digit a is not zero. Find the three-digit number abc.
The positive integers n and n^2 both end in the same sequence of four digits abcd when written in base 10, where digit a is not zero. Find the three-digit number abc.