Approximations

Published:25/4/2012
News:Lots of emails mention the physicist favorite, 1 year = pi x 10<sup>7</sup> seconds.<br />75^4 is a hair more accurate, but it's hard to top 3,141,592's elegance.
Number:1047

Two tips: 1) 8675309 is not just prime, it's a twin prime, and 2) if you ever find yourself raising log(anything)^e or taking the pi-th root of anything, set down the marker and back away from the whiteboard; something has gone horribly wrong.

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