No, only square numbers have an odd number of factors.
Yes. Square numbers have an odd number of factors. 49 has three factors.
Even powers of prime numbers. Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
There are square numbers (numbers which are a square of an integer), such as 4. It's factors, listed are 1, 2, and 4. All square numbers have an odd number of factors. Then there's 1, which has only 1 factor: 1. All other numbers have an even number of factors. Prime numbers will have only 2 factors (2 is even).
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
All square numbers have an odd number of factors.
No, only 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.
Square numbers have an odd number of factors.
Square numbers
No. Perfect square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors. There are no square numbers in that range.