It's about 4,000 times the number of Escalators in the State of Wyoming.
In other words, the count of Escalators in the State of Wyoming is 0.0003 times 8,400.(2013 figures)
It's about 2,000 times the number of Living U.S. Presidents.
In other words, the count of Living U.S. Presidents is 0.0005 times 8,400.(a.k.a. Presidents of the United States; a.k.a. Presidents of the United States of America; a.k.a. POTUS), (2016 figures) (including current)
As of this writing, there are five living United States Presidents — President Carter, President Clinton, President Obama, and the two Presidents Bush. At no point in U.S. history have their been more than six (6) living presidents, this circumstance having occurred three times.
It's about 950 times the number of Symohonies Composed by Beethoven.
In other words, 8,400 is 933.333333333 times the count of Symohonies Composed by Beethoven, and the count of Symohonies Composed by Beethoven is 0.00107142857143 times that amount.(a.k.a. Ludwig van Beethoven)
It's about 550 times the number of Living Kings and Queens.
In other words, the count of Living Kings and Queens is 0.0018 times 8,400.(2015 figures) (distinct Monarchs)
As of 2015, the world has fifteen Kings and Queens reigning over 45 countries. Of all these, Queen Elizabeth the II is the only reigning Queen; she has monarchical authority over the sixteen of the Commonwealth nations.
It's about 300 times the number of Countries in the European Union.
In other words, the count of Countries in the European Union is 0.0033 times 8,400.(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 200 times the number of Teeth in a Great White Shark's Mouth.
In other words, 8,400 is 180 times the count of Teeth in a Great White Shark's Mouth, and the count of Teeth in a Great White Shark's Mouth is 0.0056 times that amount.(Carcharodon carcharias) (average; including developing rows)
It's about 150 times the number of Countries in Africa.
In other words, the count of Countries in Africa is 0.0063 times 8,400.(2016 figures) (sovereign states recognized by the UN only)
The continent of Africa includes 54 sovereign countries recognized by the United Nations as of 2016. It is the second-most populous continent in the world, with 1.1 billion inhabitants.