None. All counting numbers are even or odd.
1 and it is 2
9, 15, 21, 25, 27
The sum of the composite numbers that are less than 8 is: 4+6 = 10
composite numbers are less than 12: 4, 6, 8, 9, 10
There are 15 composite numbers greater than 50 but less than 70
9 and 15 are the only two odd composite numbers less than twenty.
If it has more than two factors.
1,2,3,4,5,6,7,8
The composite numbers greater than 88 and less than 95 are: 90, 91, 92, 93, 94.(88 and 95 are themselves also composite.)
45789
3 composite numbers, 21, 22, and 24, are greater than 20 but less than 25.