It's about three times the number of John Wayne films.
In other words, 540 is 3.03 times the count of John Wayne films, and the count of John Wayne films is 0.33 times that amount.(a.k.a. "Duke", a.k.a. JW, a.k.a. Marion Mitchell Morrison, a.k.a. Marion Robert Morrison, a.k.a. Duke Morrison) (films starring the actor in any size role)
Known for his distinctive voice and walk, Oscar-winning Western actor John Wayne appeared in 178 films between 1926 and 1976. He was said to have the lead role in 142 of those films.
It's about three-and-a-half times the number of Moons in our Solar System.
In other words, the count of Moons in our Solar System is 0.27 times 540.(2015 figures) (confirmed moons only; dwarf planet satellites not included)
Astronomers and other scientists have confirmed the presence of 146 moons orbiting the major planets of our Solar System. About one third of those moons — 53 — are in orbit around the planet Saturn
It's about one-fourth the number of Steps in the Sears Tower.
In other words, 540 is 0.256 times the count of Steps in the Sears Tower, and the count of Steps in the Sears Tower is 3.906 times that amount.(a.k.a. Willis Tower) (Chicago, Illinois) (steps per stairwell)
The Sears Tower extends 108 stories into the sky above the city of Chicago and includes 2,109 steps in each of its stairwells. Each year, more than 1.3 million visitors make the trip to an observation area called the Skydeck on the 103rd floor.
It's about one-fourth the number of Daily Newspapers in Circulation Worldwide.
In other words, 540 is 0.2558 times the count of Daily Newspapers in Circulation Worldwide, and the count of Daily Newspapers in Circulation Worldwide is 3.909 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 four times the number of Union Stations in the United States.
In other words, the count of Union Stations in the United States is 0.25 times 540.(a.k.a. Union Terminal; a.k.a. Joint Station; a.k.a. Union Depot) (2016 figures)
Typically shared between multiple railroad companies and stations, there are about 135 "Union Stations" in the United States. Of these, the busiest station is Chicago Union Station, which handles 120,000 passengers each year.
It's about four-and-a-half times the number of Elements on the Periodic Table.
In other words, 540 is 4.58 times the count of Elements on the Periodic Table, and the count of Elements on the Periodic Table is 0.218 times that amount.(a.k.a. Periodic Table of the Elements, a.k.a chemical elements) (confirmed elements as of 2016)
From element number one, hydrogen, to element one-hundred eighteen, ununoctium, there are 118 confirmed elements on the Periodic Table. Ninety-four of the elements exist in nature, and the remaining twenty-four have only been synthesized in labs (not having occurred naturally in the time since scientists have begun researching them)
It's about five times the number of Wolves in Yellowstone National Park.
In other words, 540 is 5.19 times the count of Wolves in Yellowstone National Park, and the count of Wolves in Yellowstone National Park is 0.193 times that amount.(a.k.a. Henihco'oo; a.k.a. Héetíhco'oo) (December 2014 figures; Wyoming Park area)
As of the 2014 population count, there were 104 wolves living in Yellowstone National Park, in twelve packs. All of the wolves now living in the Park are thought to have descended from the 66 wolves (re)introduced into the Park in 1995-96.