Sure there are greater numbers. For example, 4 is greater than 3.
If you mean "... no greatest number", the reason is that you can always add one more, and get a number that is even greater. Thus, for example, 10 is not the greatest number, because you can add one and get 11. 11 is not the greatest number either, because you can add one and get 12. Etc.
A natural counting number is a positive number greater than 0
9 is a natural number, as is any whole number greater than zero.
No because natural number are whole numbers greater than 0
The prime number 53 is a natural number, as is any whole number greater than zero.
No because natural number are positive whole numbers greater than 0
it is called a counting number or a natural number
2
No because natural numbers are whole numbers greater than 0
composite
How about 8 as one example
A prime number is a natural number greater than one that can only be divided evenly by itself and 1. A composite number is the opposite of a prime number. By definition, every natural number greater than one is either prime or composite.
5 is a natural number, as it is an integer greater than zero. It is a whole number, an integer, and a rational number.