It's about 300 times the number of Escalators in the State of Wyoming.
In other words, the count of Escalators in the State of Wyoming is 0.003 times 690.(2013 figures)
It's about 100 times the number of Living U.S. Presidents.
In other words, the count of Living U.S. Presidents is 0.01 times 690.(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 75 times the number of Symphonies Composed by Beethoven.
In other words, 690 is 76.66666666670 times the count of Symphonies Composed by Beethoven, and the count of Symphonies Composed by Beethoven is 0.0130434782609 times that amount.(a.k.a. Ludwig van Beethoven)
It's about 45 times the number of Living Kings and Queens.
In other words, the count of Living Kings and Queens is 0.022 times 690.(2015 figures) (distinct Monarchs)
It's about thirty times the number of Countries in the European Union.
In other words, the count of Countries in the European Union is 0.04 times 690.(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 fourteen times the number of Teeth in a Great White Shark's Mouth.
In other words, the count of Teeth in a Great White Shark's Mouth is 0.071 times 690.(Carcharodon carcharias) (average; including developing rows)
It's about thirteen times the number of Countries in Africa.
In other words, the count of Countries in Africa is 0.077 times 690.(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.