document.write( "Question 269933: What is the smallest perfect number? \n" ); document.write( "
Algebra.Com's Answer #200062 by richwmiller(17219)![]() ![]() You can put this solution on YOUR website! http://en.wikipedia.org/wiki/Perfect_number\r \n" ); document.write( "\n" ); document.write( "In mathematics, a perfect number is a positive integer that is the sum of its proper positive divisors, that is, the sum of the positive divisors excluding the number itself. Equivalently, a perfect number is a number that is half the sum of all of its positive divisors (including itself), or σ(n) = 2n.\r \n" ); document.write( "\n" ); document.write( "The first perfect number is 6, because 1, 2, and 3 are its proper positive divisors, and 1 + 2 + 3 = 6. Equivalently, the number 6 is equal to half the sum of all its positive divisors: ( 1 + 2 + 3 + 6 ) / 2 = 6. \n" ); document.write( " |