There are 10 kinds of people. Those who understand binary notation, and those who do not.

There are II kinds of people. Those who understand roman numerals, and those who do not.

There are 11 kinds of people. Those who understand unary notation, and those who do not.

Ha, ha. Let’s see what else…

There are 110 kinds of people. Those who understand base-negative-2 notation, and those who do not.

There are 1,010 kinds of people. Those who understand base-negative-1 notation, and those who do not.

Now we’re rockin’, how far down does the rabbit hole go?

There are 0.1 kinds of people. Those who understand base-0.5-notation, and those who do not.

There are 1.0001 kinds of people. Those who understand base-i-notation, and those who do not.

There are 11 kinds of people. Those who understand balanced ternary notation, and those who do not.

Gratulation!