Fun tips-1

This topic has expert replies
Junior | Next Rank: 30 Posts
Posts: 28
Joined: Sat Jul 04, 2009 3:55 am

Fun tips-1

by syflysun » Tue Sep 08, 2009 7:53 am
between 1-100, which number has both perfect square root and perfect cubic root?

64

Master | Next Rank: 500 Posts
Posts: 159
Joined: Thu Aug 27, 2009 10:30 am
Thanked: 19 times

by bharathh » Tue Sep 08, 2009 8:43 am
64

It's a very imp number :)

So is 81

64 = 8^2 = 4^3 = 2^6

81 = 9^2 = 3^4