There are (not counting 1) three square numbers between 1 and 20.
1 is between 20 and 18 on a dartboard.
10
2
Traditionally, 20 lies in between 1 and 5.
There are (not counting 1) three square numbers between 1 and 20.
1 is between 20 and 18 on a dartboard.
10
2,4,3,
The factors of 16 are 1, 2, 4, 8, and 16.
16
16
2
19
Traditionally, 20 lies in between 1 and 5.
1 and 4
The prime numbers between 20 and 40 are 23, 29, 31 and 37 that is 4 out of 20 or 1 to 5