Monday 5 May 2014

Kelly

Kelly is a given name, popular in English-speaking and some South-American countries. Kelly is actually an Irish last name, but it has been given for some time as a first name to both boys and girls though it's much more common for girls.

Monday 1 July 2013

84



84 is the sum of the first seven triangular numbers, as well as the sum of a twin prime (41 + 43). Being thrice a perfect number, 84 is itself a semi perfect number.84 is the limb sup of the largest finite subgroup of the mapping class group of a genus g surface divided by g