eight，Thenumeraleightisanevennumber，andacompositenumber，withthedivisors1，2，4and8、Eightisthebasenumberoftheoctal，orbase8，numbersystem。Itisbeenusedinmathematicsasthebaseofthebinarysystem，asystembasedontwonumbersbutalsomanyotherapplications。Eightisalsothefirstcubenumber，beingthethirdpoweroftwo。IntheWesternculture，eightissometimesassociatedwithgoodluckandsuccessduetoitsrelationwithinfinity。TheluckyeightisalsowidelyusedinChineseculture，asthepronunciationissimilartothewordforprosperity。Moreover，insomecountriessuchasJapanandChina，thenumber8isalsoconsideredtocarryspecialculturalsignificance。Forexample，inJapan，itisbelievedthat8willbringgoodfortuneandcanbeusedasawaytowardoffevilspirits。InChineseculture，8isoftenassociatedwithfinancialsuccessandlong-termwealthandprosperity。