10 ,100 ,1000 ,1 0000 ,10 0000, 100 0000, 1000 0000, 1 0000 0000, 10 0000 0000, 100 0000 0000, 1000 0000 0000, 1 0000 0000 0000, 10 0000 0000 0000, 100 0000 0000 0000, 1000 0000 0000 0000, 1 0000 0000 0000 0000

Fine looking round numbers.

There are 10 kind of people in the world, those to understand binary and those who don’t