The only square number between 20 and 30 is 25.
20 is between 10 and 30.
28 is a perfect number.
30 is the only number between 20 and 50 that is a factor of 60
20 and 30
The only square number between 20 and 30 is 25.
20 is between 10 and 30.
25 is a perfect square occurring between 20 and 30.
The prime numbers between 20 and 30 are 23 and 29.
The number is 28.
28 is a perfect number.
26
30 is the only number between 20 and 50 that is a factor of 60
23 and 29.
25 is 52.
30
20 and 30