28 is a natural number following 27 and preceding 29. It holds distinction as the second perfect number, being equal to the sum of its proper positive divisors (1, 2, 4, 7, 14). This property highlights its unique place in elementary number theory.
28 is a natural number following 27 and preceding 29. It holds distinction as the second perfect number, being equal to the sum of its proper positive divisors (1, 2, 4, 7, 14). This property highlights its unique place in elementary number theory.