Question

What is the next number in the pattern .. 1,4,16,64,256

Answer 1

It seems the function is f(x) = 4x 
So the answer is 1024.

Answer 2

1 x 4 = 4
4 x 4 = 16
16 x 4 = 64.....see the pattern..u r multiplying every number by 4 to get the next number.
So the next number in the pattern would be 256 * 4 = 1024