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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) Just showing those entries submitted by 'Beedassy': (Click here to show all) Seven is the only odd prime that becomes "even" by deleting a letter. [Beedassy]Whilst every Fibonacci prime number has odd prime subscript, 7 is the first prime not appearing in the Fibonacci sequence. [Beedassy] The smallest prime NSW number. [Beedassy] It is possible to construct an angle of /7 using 7 matchsticks. [Beedassy] The smallest prime subscript n such that p_{n+1} is the first prime dividing #p_{n}+1, (p_{n} being the nth prime ). [Beedassy] The normal human head bears 7 sense organ openings: 2 eye sockets, 2 ear canals, 2 nostrils, and a mouth. [Beedassy] The largest known prime p such that p! + 1 is the square of a prime. [Beedassy] The only odd prime p whose nth power p^{n}, for any nonzero n below p, has exactly n digits. [Beedassy] The number of distinct four of fewer facejoined unit cubes forming the polycube pieces of the 3by3by3 Soma cube dissection puzzle invented by Piet Hein in 1936. [Beedassy] The only known number whose factorial has 50% of its digits consisting of 0's: 7! = 5040. [Beedassy] H7 is the heaviest isotope of hydrogen observed experimentally in a heavy particle accelerator. [Beedassy] The French version of the popular cartoon Spot the difference puzzle is called "Le jeu des 7 erreurs" (meaning 'The 7 mistakes game'). [Beedassy] The standard ASCII (American Standard Code for Information Interchange) character codes for encoding symbols on a typical American keyboard were originally 7 bits long. [Beedassy]
(There are 16 curios for this number that have not yet been approved by an editor.)
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