A natural number that is NOT a perfect square has an even number of factors.
10=1x10
2x5 four
36=1x36
2x18
3x12
4x9
6
Sum of even factors of a number will always equal an even number.
2 is an even number with only 2 factors.
a composite number
Even
prime number
No.
12 is an even number and it is also a composite number because it has more than two factors
16 is a number that has four identical even factors.
8
No, square numbers have an odd number of factors.
number 2
The number 18 belongs to the following categories of numbers: Complex Real Rational Terminating, non-rec curing decimals. Natural Composite Even Factors of 2 Factors of 9 Factors of 3