RT @realscientists: Cool fact: the reciprocal of divisors of a perfect number always add up to exactly 2.n6: 1/6 + 1/3 + 1/2 +1 = 2
Despite the domain, this is the name of the site now.
Despite the domain, this is the name of the site now.
RT @realscientists: Cool fact: the reciprocal of divisors of a perfect number always add up to exactly 2.n6: 1/6 + 1/3 + 1/2 +1 = 2