142.857 (angka): Perbedaan antara revisi

'''142857''' adalah enam digit berulang dari '''1/7''', '''0,142857''', dan merupakan nomor siklik dalam bilangan basis 10 yang paling terkenal.<ref>[http://www.daviddarling.info/encyclopedia/C/cyclic_number.html "Cyclic number"] {{Webarchive|url=https://web.archive.org/web/20070929122525/http://www.daviddarling.info/encyclopedia/C/cyclic_number.html |date=2007-09-29 }}, ''The Internet Encyclopedia of Science''</ref><ref>Michael W. Ecker, [http://links.jstor.org/sici?sici=0049-4925(198303)14%3A2%3C105%3ATALOCN%3E2.0.CO%3B2-Y "The Alluring Lore of Cyclic Numbers"], ''The Two-Year College Mathematics Journal'', Vol.14, No.2 (March 1983), pp.105-109</ref><ref>[http://planetmath.org/encyclopedia/CyclicNumber.html Cyclic number], PlanetMath</ref><ref>{{cite web |url=http://findarticles.com/p/articles/mi_hb4870/is_200508/ai_n17913296 |title=Go figure (cyclic numbers) |author=Hogan, Kathryn |publisher=''Australian Doctor'' |year=2005 |month=August |archiveurl=httphttps://web.archive.org/web/20071224191059/http://findarticles.com/p/articles/mi_hb4870/is_200508/ai_n17913296 |archivedate=2007-12-24 December|access-date=2011-02-26 |dead-url=no 2007}}</ref> Jika dikalikan dengan 2, 3, 4, 5 atau 6, jawabannya akan menjadi permutasi siklis dari dirinya sendiri, dan sesuai dengan digit pengulangan '''2/7''', '''3/7''', '''4/7''', '''5/7''' atau '''6/7''' masing-masing.