8 is the Missing Number Apr 10, 2010 1:03:21 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Egos on Apr 10, 2010 1:03:21 GMT -5 ok thanks to Phyphor for pointing out that is a was the only cube number.Simon guessed, and had it confirmed this is the missing number.