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Published on Aug 24, 2012
8 and 6 are lucky but 4 is unlucky... if you're Chinese!Featuring Xiaohui Yuan from the University of Nottingham.Website: http://www.numberphile.com/Numberphile on Facebook: http://www.facebook.com/numberphileNumberphile tweets: https://twitter.com/numberphileVideos by Brady HaranBrady's other channels include:http://www.youtube.com/periodicvideos (Chemistry stuff)http://www.youtube.com/sixtysymbols (Physics and astronomy)http://www.youtube.com/DeepSkyVideos (Space stuff)http://www.youtube.com/nottinghamscience (Science and behind the scenes)http://www.youtube.com/foodskey (Food science)http://www.youtube.com/BackstageScience (Big science facilities)http://www.youtube.com/favscientist (Favourite scientists)http://www.youtube.com/bibledex (Academic look at the Bible)http://www.youtube.com/wordsoftheworld (Modern language and culture)http://www.youtube.com/PhilosophyFile (Philosophy stuff)