13_10
4
There are 4 prime numbers between 10 and 20. They are 11, 13, 17, and 19.
4/11
15
There are 11 integers between -4 and 8.
Between two and three.
The prime numbers between 4 and 20 are 5, 7, 11, 13, 17 and 19. Their sum is 72.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
4, 6, 8, 9, 10.
4, 6, 8, 9, 19
11 13 17 19
The integers between 4 and 12 are 5, 6, 7, 8, 9, 10, and 11. Other numbers between 4 and 12 are √19, 6 1/2, and 11.987654321. There are infinitely many numbers between 4 and 12.