They are also counting numbers.
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A prime number has exactly two factors, 1 and the number itself. Any number having more factors than a prime is a composite number.
7 is a counting number. But I am not sure what a counting number number is!
That's the "square" of the number. With counting numbers, the square will always be another counting number.
Yes, and including zero.
If counting by twelves, the tenth number will be 120.