A square number
Only perfect squares can have an odd number of factors. The answer is 16. It has five factors: 1,2,4,8,16.
Yes. An even number is defined as being evenly divisible by 2 (no fractional answers, only integers). If an odd number has an even factor, then because of the above definition, this odd number must have a factor of 2. But you will be hard pressed to find an odd number that is a multiple of 2, because that is already the definition of an even number. So, odd numbers cannot have even factors and thus odd numbers always have odd factors.
No numbers in that range have an odd number of factors.
Only if an odd number of the factors are negative numbers.
Both odd and even numbers may have odd numbers as factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors.
Yes, quare numbers have an odd number of factors.
Yes. Square numbers have an odd number of factors. 49 has three 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
Perfect squares are numbers with an odd number of factors.
Square numbers have an odd number of factors.
Squares have an odd number of factors.
Square numbers have an odd number of factors.
Square numbers have an odd number of factors, but beyond that, any odd number can be a factor.
An even power. Square numbers have an odd number of factors.