>0
not a number, its the concept of nothing
>1
not a number, just represents unity
>2
represents duality, its a concept, not a number
> -1
not a number, just a concept representing negation
>3
not a number, represents progress
>4
not a number, just the concept of symmetry
>5
not a number, just the manifold representation conception


Also, combinations of these are not a number either. So the only REAL numbers are primes larger than 7