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The Number of the Day: 800

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The son of a major league baseball player is 800 times more likely to play in the majors than is an “average kid.”


Related Fact: On September 14, 1990, Seattle Mariners Ken Griffey and Ken Griffey, Jr. became the first and only father-son combination to hit back-to-back home runs in a Major League game.


[Sources: Freakonomics and Bleacher Report. See previous Numbers of the Day here. ]

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This Puzzling Math Brain Teaser Has a Simple Solution
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Fans of number-based brainteasers might find themselves pleasantly stumped by the following question, posed by TED-Ed’s Alex Gendler: Which sequence of integers comes next?

1, 11, 21, 1211, 111221, ?

Mathematicians may recognize this pattern as a specific type of number sequence—called a “look-and-say sequence"—that yields a distinct pattern. As for those who aren't number enthusiasts, they should try reading the numbers they see aloud (so that 1 becomes "one one," 11 is "two ones," 21 is "one two, one one,” and so on) to figure the answer.

Still can’t crack the code? Learn the surprisingly simple secret to solving the sequence by watching the video below.

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What Number Is The Answer?
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