It's about the number of Kernels on an Ear of Corn.
(Corn, a.k.a. Maize; Kernel a.k.a. Seed) (average) (for Dent Corn, a.k.a. field corn)
It's about the number of Population of Vatican City.
In other words, the count of Population of Vatican City is 1.04 times 810.(a.k.a. Vatican City State, a.k.a. Stato della Città del Vaticano, a.k.a. Status Civitatis Vaticanae) (Rome, Italy) (2014 estimates; permanent residents only)
It's about one-and-one-tenth times the number of Inductees in the Rock and Roll Hall of Fame.
In other words, 810 is 1.08 times the count of Inductees in the Rock and Roll Hall of Fame, and the count of Inductees in the Rock and Roll Hall of Fame is 0.9260 times that amount.(November, 2015 figures) (including individuals and groups)
It's about one-and-one-fifth times the number of Members of Parliament (The U.K.).
In other words, the count of Members of Parliament (The U.K.) is 0.830 times 810.(a.k.a. MPs) (2016 figures) (formally "Members of the House of Commons of the Parliament of the United Kingdom of Great Britain and Northern Ireland")
There are 650 Members of Parliament in the U.K. The Commons Chamber in the Palace of Westminster only has seating for 427 members, so those arriving late to House debates must stay standing.
It's about one-and-three-fifths times the number of Stores in the Mall of America.
In other words, the count of Stores in the Mall of America is 0.630 times 810.(a.k.a. MOA, a.k.a. MoA, a.k.a. Megamall) (Bloomington, Minnesota) (2015 figures) (approximate)
Minnesota's Mall of America is home to 520 stores and attractions, including a wedding chapel, aquarium, and amusement park. Each year, an estimated 42 million people visit The Mall.
It's about one-and-seven-tenths times the number of Olympic Gold Medals Won by the Soviet Union.
In other words, 810 is 1.710 times the count of Olympic Gold Medals Won by the Soviet Union, and the count of Olympic Gold Medals Won by the Soviet Union is 0.5850 times that amount.(a.k.a. Union of Soviet Socialist Republics, a.k.a. USSR, a.k.a. Сою́з Сове́тских Социалисти́ческих Респу́блик, a.k.a. CCCP) (a.k.a. Olympic Games, a.k.a. Jeux olympiques) (Summer and Winter Games grand totals; excluding Russian Federation Medals) (1952 thru 1988 figures)
It's about half the number of Golf Courses in Florida.
In other words, 810 is 0.53360 times the count of Golf Courses in Florida, and the count of Golf Courses in Florida is 1.8740 times that amount.(2016 figures) (public and private)