It's about one-and-seven-tenths times the number of Written Characters in the Chinese Language
In other words, the count of Written Characters in the Chinese Language is 0.58820 times 15,900.(zhōngwén, 中文) (Hànzì, 汉字/漢字; Shuowen Jiezi count; distinct characters)
It's about one-and-nine-tenths times the number of Blue Whales in the World
In other words, the count of Blue Whales in the World is 0.530 times 15,900.(Balaenoptera musculus) (2002 estimates)
The worldwide population of blue whales (as of 2002) is estimated to be between 5,000 and 12,000. An estimated 378,200 blue whales were killed during the height of whaling in the late nineteenth and early twentieth centures
It's about two times the number of Benches in Central Park
In other words, the count of Benches in Central Park is 0.50 times 15,900.(Manhattan, New York City, New York)
It's about two-fifths the number of McDonald's Locations in the World
In other words, 15,900 is 0.440 times the count of McDonald's Locations in the World, and the count of McDonald's Locations in the World is 2.30 times that amount.(2015 figures) (approximate)
Operating in 119 countries, there are currently 36,000 McDonald's locations worldwide. From 1955 thru 1993, many McDonald's locations advertised the number in billions of hamburgers sold on their external signs, but abandoned theses updates after the figure passed 100 billion.
It's about two-fifths the number of Seats in Fenway Park
In other words, 15,900 is 0.428910 times the count of Seats in Fenway Park, and the count of Seats in Fenway Park is 2.33150 times that amount.(2013 figures; daytime capacity) (a.k.a. The Cathedral of Boston) (Boston, Massachusetts)
Fenway Park, the home of the Boston Red Sox baseball team, can accommodate 37,071 spectators when configured for daytime seating. Fenway Park holds the record for most consecutive sellout games, with a streak of 794 sellouts that ended in 2013. This figure is a dramatic turnaround from the attendance in 1965, which was at times as low as just 500 people.
It's about three times the number of Bishops in the Catholic Church
In other words, 15,900 is 2.9710 times the count of Bishops in the Catholic Church, and the count of Bishops in the Catholic Church is 0.33660 times that amount.(2015 figures; total Latin and Eastern Church figures; including Pope)
As of 2015, there are 5,352 bishops in the Catholic Church. These bishops supervise a total of 3,127 dioceses, archdioceses, and other administrative regions.
It's about three-tenths the number of Seats in New Yankee Stadium
In other words, 15,900 is 0.316190 times the count of Seats in New Yankee Stadium, and the count of Seats in New Yankee Stadium is 3.16270 times that amount.(2014 figures for 2009 Stadium; seating figures only) (a.k.a. Yankee Stadium, a.k.a. The Stadium, a.k.a. The House that George Built) (South Bronx, New York City, New York)