It can be: (5*6)-21 = 28
The numbers are 6 and 28
They are 4 and 24
6 and 28
6, 28, 496, 8128
The numbers are 4 and 24 because 24/4 = 6 and 4+24 = 28
6 and 28
6 and 28 are perfect numbers.
6
They are even and are noy prime numbers
6 and 28.
6 and 28
It can be: (5*6)-21 = 28
The numbers are 6 and 28
6, 28, 496 and 8128 are the first four Perfect numbers.
-999
They are 4 and 24