28 is a perfect number.
4
The only square number between 20 and 30 is 25.
perfect square numbers are 16 and 25
20 is between 10 and 30.
28 is a perfect number.
The number is 28.
25 is a perfect square occurring between 20 and 30.
It is 28 I did that at school in year 6
The two perfect numbers between 1 and 30 are: 6, 28
30
4
The only square number between 20 and 30 is 25.
There are no perfect numbers between 20 and 30. Perfect numbers are numbers that are equal to the sum of their proper divisors, excluding the number itself. The perfect numbers within this range would be 28, but that is incorrect as 28 is not a perfect number.
perfect square numbers are 16 and 25
20 is between 10 and 30.
only 28 bro