I am a composite number I am greater than 16 but less than 20 two of my factors are a number and the number doubled I am the number blank

Answer 1

The composite number that is greater than 16 but less than 20 is 18.

The factors of 18 are 1, 2, 3, 6, 9, and 18. Among these, 2 and 4 (which is 2 doubled) are two of the factors.

So, the number you are thinking of is 18.