they are odd numbers
Square numbers have an odd number of factors.
Yes. Square numbers have an odd number of factors. 49 has three factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Perfect squares have an odd number of factors.
Both odd and even numbers may have odd numbers as factors.
Square numbers have an odd number of factors.
All square numbers have an odd number of factors.
No numbers in that range have an odd number of factors.