zero
No, there are infinitely many: all the natural numbers.
One is.
name the only natural number that is neither prime nor composite? Answer is ONE
Depending on your definition of a natural number, 0 may or may not be a natural number. If you don't think 0 is a natural number, then it will be the only non-natural number that is whole.
Any negative whole number is not a natural number - so it is not "the only".
0 is the only number which is in the set of whole number but not in the natural number
A prime number (or a prime) is a natural number that has exactly two distinct natural number divisors: 1 and itself.
The number zero is a natural number and so, by the uniqueness of numbers, it is the only one that meets the requirements.
There is no such number.
There is no such number.
Zero, by the traditional definition of natural numbers.
Rational: yes. Natural: no.