28 is a perfect number.
The next perfect number after 11 is 28.
22 is not a perfect number but 6, 28, 496 and 8128 are perfect numbers.
29 is not a perfect number - though 28, its predecessor, is.
No, it is not a perfect number. The first four known perfect numbers are 6, 28, 496 and 8,128.
Yes it is. 6 is the first perfect number, 28 is the second perfect number.
28 is a perfect number.
The next perfect number after 11 is 28.
22 is not a perfect number but 6, 28, 496 and 8128 are perfect numbers.
29 is not a perfect number - though 28, its predecessor, is.
A number is perfect if all it's factors (barring itself) sum to make the original number. In this case, the factors of 28 are 1,2,4,7 and 14. Added up, these equal 28. Thus, 28 is a perfect number.
No, it is not a perfect number. The first four known perfect numbers are 6, 28, 496 and 8,128.
2002 is not a perfect number. The first four perfect numbers are 6, 28, 496, and 8128.
No, but 28 is...
28
It isn't a perfect number.A perfect number is a number which is the sum of its proper divisors (including 1, but excluding itself).The divisors of 20 are 1, 2, 4, 5, 10.1 + 2 + 4 + 5 + 10 = 22 => 20 is not a perfect number.An example of a perfect number is 28:The divisors of 28 are 1, 2, 4, 7, 141 + 2 + 4 + 7 + 14 = 28 => 28 is a perfect number.
No, it is not near a perfect number. The first four known perfect numbers are 6, 28, 496 and 8,128.