This number is a prime.
Single Curio View: (Seek other curios for this number)The Escher compound that appears in the "Waterfall" lithograph by M. C. Escher divides the three component cubes into 67 individual cells. [Post]
Submitted: 2005-09-20 12:06:55; Last Modified: 2009-02-15 09:04:19.
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