496
Chat with our AI personalities
The next perfect number after 11 is 28.
A perfect number is a number that is the sum of all its proper factors (that is all its factors excluding itself). The next perfect number after 28 is 496
The second perfect number after 6 is 28. The sum of the factors of 28, excluding itself, is 1 + 2 + 4 + 7 + 14 = 28.
6 is the only perfect digit. The next perfect number is 28.
28 is a perfect number.