The name RastafarI contains letters. The number nine is the last number. It represents fullness. It is also the highest positive number outside of the number one, because the number one is the first. 13579 these are the positive numbers. The one is the highest because the rest come after the one. After the one the nine is the highest.

RastafarI
12356789.

The one is the first, before the one there was zero. The one is positive and does not divide against itself.