0062.

"Stephen Dolan, a student at Trinity College Dublin, applied graph theory to work out the "closeness" of an article in Wikipedia as its average distance to any other article, to find the "center" of Wikipedia, that is, the article that is closest to all other articles (has minimum closeness), and to find out the shortest route between any two articles. As of 2008, the center of Wikipedia is 2007. From that article, it takes on average 3.45 clicks to get to any of the 2,111,479 articles reachable from it. Disregarding all of the articles that are just lists, years or days of the year, the "real article" closest to the center is United Kingdom, at an average of 3.67 clicks to anywhere else."