perfect square numbers are 16 and 25
-10
28 is a perfect number.
20 is between 10 and 30.
No, there are no known perfect numbers between 1 and 30. The only perfect numbers that have been discovered are 6, 28, 496, and 8128.
The values of cubes 1 to 30 between 1 and 200 are 13 (1), 23 (8), 33 (27), 43 (64), and 53 (125).
perfect square numbers are 16 and 25
30
-10
8 and 27 are the only two perfect cubes in the range.
The two perfect numbers between 1 and 30 are: 6, 28
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.
28 is a perfect number.
Almost Perfect ended on 1996-10-30.
20 is between 10 and 30.
No, there are no known perfect numbers between 1 and 30. The only perfect numbers that have been discovered are 6, 28, 496, and 8128.
24 because if the width is 30 and the length is 40, 12 10 inch cubes would fit in each level. then the height is 20 so there would be two levels. 12 x 2 = 24