It's about 150 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 0.0059 times 8,100.(Carcharodon carcharias) (average; including developing rows)
A Great White Shark has 48 exposed teeth on their upper and lower jaws. Behind these exposed teeth are developing teeth — up to 300 in about 5 rows. The sharks will continuously lose and replace the exposed teeth throughout their lives.
It's about 300 times the number of Countries in the European Union.
In other words, 8,100 is 290 times the count of Countries in the European Union, and the count of Countries in the European Union is 0.0034 times that amount.(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-three-hundred-fiftieth the number of ATMs in the World.
In other words, the count of ATMs in the World is 300 times 8,100.(2015 figures) (approximate)
There are approximately 3 million ATMs in the world, including sites in Antarctica, cruise ships, US Navy ships, and Tibet. ATM's typically hold between $20,000 and $100,000, depending on the size of the crowds where they're located.
It's about 550 times the number of Living Kings and Queens.
In other words, the count of Living Kings and Queens is 0.0019 times 8,100.(2015 figures) (distinct Monarchs)
It's about 900 times the number of Symphonies Composed by Beethoven.
In other words, the count of Symphonies Composed by Beethoven is 0.00111111111111 times 8,100.(a.k.a. Ludwig van Beethoven)
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 8,100.(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)
It's about one-two-thousand-five-hundredth the number of VIsitors to Walt Disney World Each Year.
In other words, 8,100 is 0.00043577 times the count of VIsitors to Walt Disney World Each Year, and the count of VIsitors to Walt Disney World Each Year is 2,294.80 times that amount.(a.k.a. Walk Disney World Resort, a.k.a. Walt Disney World, a.k.a. WDW) (Lake Buena Vista and Bay Lake, Florida) (2013 figures) (for The Magic Kingdom; approximate; annual attendance totals)