28 (number)
natural number / From Wikipedia, the free encyclopedia
This article is about the number 28. For the year, see 28.
Twenty-eight is a number. It comes between twenty-seven and twenty-nine. Twenty-eight is an even number. It is divisible by 1, 2, 4, 7, 14, and 28. 28 is a perfect number. The perfect number before twenty-eight is six.