The book is now available! 1609
(another Prime Pages' Curiosity)
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The year Galileo turned a telescope to the sky, and turned man's view of the world upside down. Note that 1609 turned upside down gives another prime, making 1609 an invertible prime. [Teague]

 

  Submitted: 2009-12-14 15:32:21;   Last Modified: 2009-12-15 06:56:03.



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