Which of the following names apply to this number? 2

You haven't given us any choices to pick from. But I have a feeling that you're not talking about names like Ralph, Bob, or Jacob, so I'll take some guesses from the names of sets that numbers are commonly organized into:

The number ' 2 ' is ...

- - a real number

- - a rational number

- - a positive number

- - an integer

- - a counting number

- - a natural number

- - a whole number

- - a prime number

- - an even number