27
27. Here you just have to plug stuff in until it works. That's my philosophy.
729, cube of 9 and square of 27
729
6
27 27 = 3*3*3 (3 cubed = 27) 2+7 = 9 The square root of 9 is 3.
4
27, whose cube is 19683
27. Here you just have to plug stuff in until it works. That's my philosophy.
729, cube of 9 and square of 27
6859
1
It is: 1,000,000
729
729
6
7 * * * * * What? 73 = 343 which is the square of 18.52... hardly a perfect square! The correct answer is 9.
· it has 2 digits · it is a square number (8 x 8 = 64) · it is a cube number (4 x 4 x 4 = 64)