Did You Know That (About Numbers)

  • A 15th anniversary is called a quindecennial.

  • A bowling pin will fall at a tilt of 7.5 degrees.

  • A piece of paper cannot be folded more than 7 times.

  • According to the old English time system a moment is 1 and a half minutes.

  • That in the 17th century the value of pi was known to 35 decimal places (today to 1.2411 trillion).

  • The number 2 is the only number greater than zero that when added to or multiplied by itself gives you the same result (4).

  • The number 4 is the only number that has the same number of letters in it.

  • If you wrote out all the numbers (e.g. one, two, three . . . ), you would not use the letter “b” until the word “billion.”

  • The longest word in the English language is 45 letters long: “Pneumonoultramicroscopicsilicovolcanoconiosis.” It is the scientific name for a type of lung disease.

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