# Top 10 numbers facts

Selected as the most interesting among numbers related questions in
What is the sum of all the numbers on the roulette wheel?
666. This fact contributed to the naming of the game as "game of Satan", since 666 it is called the number of the beast by the Book of Revelation.
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What is the sum of all even numbers between 1 and 100?
5050. 1+2+...+99+100 = 1+100+2+99+...+50+51 = 101+101+101+...+101 = 101*50 = 5050 It's a calculation method invented by Gauss.
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Which currency was the first to be converted to the decimal system?
Russian ruble. The new ruble, introduced by the monetary reform of Peter the Great in 1704, was the first currency based on the decimal system.
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What is ten to the power of one hundred called?
Googol. The name of the Google search engine was created by mistake of its creator, L. Page, who meant googol.
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3
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How much of the Earth's ice is in Antarctica?
About 90% of terrestrial ice is found in Antarctica.
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