9 of them.
18 and -2
44 & 45
Nine of them.
Nine of them.
The least common factor of any set of integers is 1.
The integers greater than 30 and less than 40 are 31, 32, 33, 34, 35, 36, 37, 38, and 39. That is nine integers.
There are 1,000 positive integers between 1,000 and 9,999, inclusive, that are divisible by nine.
They are all positive integers less than ten.
It isn't an anagram. It is the first letters of each of the integers from one to nine (1,2,3,4,5,6,7,8,9).
Itself 9 which is an integer or a whole number but its factors are 1, 3 and 9
The squares -- nine of them.