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$ perl -wE 'printf "%.20f\n", log(125)/log(5)'
say is_power_of(125, 5);
Once (shame on you!)
Twice (shame on me!)
More often than I'd like to be
All the time
Just when answering stupid polls
Who you callin' a fool?
I refuse to vote in this ridiculous poll
Results (462 votes). Check out past polls.