It's about nine-and-a-half times the number of Written Characters in the Chinese Language.
In other words, 91,000 is 9.7290 times the count of Written Characters in the Chinese Language, and the count of Written Characters in the Chinese Language is 0.10280 times that amount.(zhōngwén, 中文) (Hànzì, 汉字/漢字; Shuowen Jiezi count; distinct characters)
According to the Han Dynasty dictionary, Shuowen Jiezi (說文解字), there are 9,353 distinct Han characters used to depict the Chinese language. Fluency in written Chinese requires mastery of 4,000 - 5,000 of these characters.
It's about ten times the number of Benches in Central Park.
In other words, the count of Benches in Central Park is 0.10 times 91,000.(Manhattan, New York City, New York)
It's about eleven times the number of Blue Whales in the World.
In other words, the count of Blue Whales in the World is 0.091 times 91,000.(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 seventeen times the number of Bishops in the Catholic Church.
In other words, the count of Bishops in the Catholic Church is 0.05882 times 91,000.(2015 figures; total Latin and Eastern Church figures; including Pope)
It's about one-thirty-fifth the number of ATMs in the World.
In other words, the count of ATMs in the World is 30 times 91,000.(2015 figures) (approximate)
There are approximately 3 million ATMs in the world, including sites in Antarctica, cruise ships, US Navy ships, and Tibet. ATM's typically hold between $20,000 and $100,000, depending on the size of the crowds where they're located.
It's about 45 times the number of Daily Newspapers in Circulation Worldwide.
In other words, 91,000 is 43.110 times the count of Daily Newspapers in Circulation Worldwide, and the count of Daily Newspapers in Circulation Worldwide is 0.0232 times that amount.(2013 figures) (regional and local, plus national figures; paid only)
There are 2,111 paid, daily newspapers with a regional, local, or national distribution in circulation worldwide. Combined, these newspapers have a readership of about 150 million people.
It's about 45 times the number of Steps in the Sears Tower.
In other words, 91,000 is 43.150 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 0.02317 times that amount.(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)