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GIMPS has discovered a new largest known prime number: 2^{82589933}1 (24,862,048 digits) 701, 7001, 70001, and 700001 are each prime. [Brown] 2^{701} + 701 is prime. [Honaker and De Geest] This prime can be written as 5^{4} + 4^{3} + 3^{2} + 2^{1} + 1^{0}. [Kulsha] The number of named openings and variations listed in the 1987 edition of The Oxford Companion to Chess by Hooper and Whyld. [McCranie] There are currently 701 types of pure breed dogs. [BBC] The number of UFO cases that Project Blue Book left classified as "unknown." [McCranie] The IBM 701 was the company's first productionline electronic digital computer. (It was announced to the public in 1952.) Smallest prime whose square (701^2 = 491401) contains all of square digits only. [Gupta] The smallest emirp p such that 2^{p} has a sum of digits that is also an emirp (941). [Beedassy] e (2.718...) to the power phi (Golden ratio 1.618...) is approximately 5. A much better approximation is given by 701/139, both numbers prime. [Menhinick] If A=2, B=3, C=5, D=7, ... , Z=101, then 'AN ISOLATED PRIME NUMBER' is an isolated prime number. [Homewood] 701 decillion has a Collatz trajectory length of 701. [Gaydos]
(There are 5 curios for this number that have not yet been approved by an editor.) To link to this page use /curios/page.php?number_id=489
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