If 1 = Single, 2 = Double, 3 = Triple, 4 = Quadruple, what are 5, 6, 7, 8, etc. called?
Is it possible to make 10000 out of the digits 0, 1, 2, 3, 4, 5, 6, 7, 8, and 9 using only the sum operator and using all the digits exactly once?