If you really want to blow your mind, almost all numbers contain all the digits 0-9. That's a lot more interesting and surprising to me than that they contain a

If you really want to blow your mind, almost all numbers contain all the digits 0-9. That's a lot more interesting and surprising to me than that they contain any one digit. But the reality underlying this is actually really boring; when you start talking in terms of n -> infinity any fraction will become insignificant as it self multiplies.