This number is a composite.
Single Curio View: (Seek other curios for this number)Gliese 581 c is the first discovered terrestrial exosolar planet in the habitable zone surrounding its star (where surface temperatures might be similar to Earth). Note that 581 is an emirpimes (581 = 7 * 83 and 185 = 5 * 37). [Post]
Submitted: 2007-09-16 13:21:23; Last Modified: 2008-01-30 11:28:00.
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