3

3 (three) is a positive integer following 2 and preceding 4. Its ordinal form is written "third" or "3rd."

3 is an, the smallest number with both of those properties. It is a   + 1.

3 is a 2nd.

Unlike 2, BEAF arrays using base 3 (or any larger base) does not degenerate. So Bowers often coins googologisms based on this number, such as tritri, tetratri, and dupertri. All these numbers has a lot of last overall digits, ten of them are: \(...2464195387\) (see last digits convergence).