83431

This number is a prime.

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Retired Japanese engineer Akira Haraguchi once recited π to 83431 decimal places from memory, almost doubling the previous record held by another Japanese. He views the memorization of π as "the religion of the universe." [Haga]

Submitted: 2005-07-04 01:11:52;   Last Modified: 2008-06-13 08:00:00.
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