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Supernova Condensate

29

29 Dec 2009, 02:16 UTC
29
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Twenty nine, 二十九, XXIX, 廿九, 11101 is a Størmer number, a Markov number, the fourth primorial prime number, a tetranacci number, and a Perrin number. It's also the atomic number of copper and the mass of the second most stable isotope of silicon.(Read more ...)

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