My Perfect Birth Date – June 28
I read something interesting about my birth date on Wikipedia today. June 28 is the only date each year where both the month and day are different perfect numbers. The first perfect number is 6, because 1, 2 and 3 are its proper positive divisors and 1 + 2 + 3 = 6. The next perfect number is 28 = 1 + 2 + 4 + 7 + 14.
