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    Found: The World’s Favorite Number

    Ecelop via Shutterstock Go ahead, admit it. Like a lot of people, you have a favorite number. Maybe you’re not as extreme as Sheldon Cooper, the arch-nerd character on television’s Big Bang Theory, who loves the number 73: “73 is the 21st prime number, its mirror 37 is the 12th and its mirror 21 is […]