Yes. Square numbers have an odd number of factors. 49 has three factors.
Square numbers have an odd number of factors.
Odd.
No, only square numbers have an odd number of factors.
A square number
A perfect square has an odd number of factors. Factors of numbers always come in pairs -- except for perfect squares. Since the square root of a perfect square is listed only once on the list of factors, it results in a list with an odd number of factors.
Square numbers have an odd number of factors.
No. Consider 15: 1,3,5,15 Every positive whole number has an even number of factors, unless the number is a perfect square.
Square numbers have an odd number of factors.
All square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Squares have an odd number of factors.
if a number has an odd number of factors it would be a perfect square
if a number has an odd number of factors it would be a perfect square
A perfect square has an odd number of factors.
Square numbers have an odd number of factors, but beyond that, any odd number can be a factor.