Yes, the factors of all odd numbers are odd numbers.
Square numbers have an odd number of factors.
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
Even numbers.
Yes, the factors of all odd numbers are odd numbers.
10
Square numbers have odd numbers of factors.
Numbers that are prime can't be multiples of 10. Multiples of 10 can't be odd.
Both odd and even numbers may have odd numbers as factors.
Yes. Square numbers have an odd number of factors. 49 has three factors.
Perfect squares have an odd number of factors.
Square numbers have an odd number of factors.
All nonzero numbers have factors. Some factors are even numbers, some factors are odd numbers.
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
Some even numbers have more factors than some odd numbers and some odd numbers have more factors than some even numbers. As a group, even numbers have more factors than odd numbers.
Square numbers have an odd number of factors.