There are 31 perfect square numbers between 1 and 1000 (including 1).
The only perfect number between 20 and 50 is 28.
25 is a perfect square occurring between 20 and 30.
25
360
There are 31 perfect square numbers between 1 and 1000 (including 1).
4
No. Square numbers (or perfect square numbers) are squares of integers. The perfect square numbers are 1, 4, 9, 16, 25, 36 ... 20 is not in the series.
The square numbers between 1 and 20 are 1,4,9 and 16.
The only perfect number between 20 and 50 is 28.
25 is a perfect square occurring between 20 and 30.
All whole numbers between 1 and 400 (=20 square).
Three numbers.
20 is a not perfect square.
Just 6
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.
There are 11 numbers from 10 to 20 if we include 10 and 20. Of those, only 16 is a perfect square. So the probability if 1/11 or .09 repeating.