Square numbers have odd numbers of factors. Examples: 4, 9, 16
No because as for example 39 is an odd number but it is also a composite number because it has more than two factors and prime numbers have only two factors.
Yes. Square numbers have an odd number of factors. 49 has three factors.
If an odd number has more than two factors then it is a composite number but if it has only two factors then it is a prime number. Although all prime numbers are odd except for 2 many more odd numbers are composite numbers having more than two factors as for example 21 is an odd number whose factors are 1, 3, 7 and 21.
Square numbers have an odd number of factors.
All odd numbers have odd factors.
Square numbers have an odd number of factors.
A perfect square has an odd number of factors.
Both odd and even numbers may have odd numbers as factors.
A square number.
A perfect square.
A perfect square.
A square number.
Square numbers have an odd number of factors.
A perfect square
Square numbers
Square numbers.
square numbers