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|Ivars Peterson (MathTrek)|
|Lagging far behind in the celebrity sweepstakes is the number known as e. Carried to 20 decimal places, e is 2.71828 18284 59045 23536. Only 50,000,817 of its decimal digits have been computed so far - though there are unconfirmed reports that 1 billion digits were once calculated. People can't even agree on its proper name. It has been called the logarithmic constant, Napier's number, Euler's constant, and the natural logarithmic base.|
|Levels:||Middle School (6-8), High School (9-12), College|
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