The squares -- nine of them.
Chat with our AI personalities
2. That is the only one. And the 11 divisors are 2k where k = 0, 1, ,2, ... , 10
1, 4, 9, 16, 25, 36, 49, 64, 81, 100 -- the square numbers.
The set of positive odd integers.
The set of positive integers less than 50 is finite (there are 49).The set of all integers less than 50 is infinite, because it includes an infinite number of negative numbers.
No integers are specified in the question, although the answer would be any negative number less than -2 or any positive number greater than 2.