It's about eighteen times the number of Countries in the European Union.
In other words, the count of Countries in the European Union is 0.056 times 510.(a.k.a. EU) (2016 figures)
There are 28 member countries in the European Union, the latest member of which is Croatia. The EU is largely urban, with sixteen cities having a population of one million or more, and 75% of the population living in an urban area.
It's about one-twentieth the number of Written Characters in the Chinese Language.
In other words, 510 is 0.05453 times the count of Written Characters in the Chinese Language, and the count of Written Characters in the Chinese Language is 18.340 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 thirty times the number of Living Kings and Queens.
In other words, the count of Living Kings and Queens is 0.029 times 510.(2015 figures) (distinct Monarchs)
It's about 55 times the number of Symphonies Composed by Beethoven.
In other words, 510 is 56.66666666670 times the count of Symphonies Composed by Beethoven, and the count of Symphonies Composed by Beethoven is 0.0176470588235 times that amount.(a.k.a. Ludwig van Beethoven)
Over the course of his life, Beethoven composed nine symphonies over the course of a twenty-four year period. After his death in early 1827, an estimated 20,000 Austrian citizens attended his public funeral.
It's about one-seventieth the number of McDonald's Locations in the World.
In other words, the count of McDonald's Locations in the World is 71 times 510.(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 one-seventy-fifth the number of Seats in Fenway Park.
In other words, 510 is 0.013757 times the count of Seats in Fenway Park, and the count of Seats in Fenway Park is 72.690 times that amount.(2013 figures; daytime capacity) (a.k.a. The Cathedral of Boston) (Boston, Massachusetts)
It's about one-one-hundredth the number of Seats in New Yankee Stadium.
In other words, 510 is 0.010142 times the count of Seats in New Yankee Stadium, and the count of Seats in New Yankee Stadium is 98.60 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)
New Yankee Stadium has a seating capacity of 50,287. The Stadium was built between 2006 and 2009 out of 11,000 pieces of Indiana limestone.