280

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URI: http://km.aifb.kit.edu/projects/numbers/n280 [URI4URI]

External links

Wikipedia: 280_(number)
Wikidata: Q1384112

Names

Estonian: kakssada kaheksakümmend
Czech: dvì stì osmdesát
Portuguese: duzentos e oitenta
Lithuanian: du ðimtai aðtuoniasdeðimt
French: deux cent quatre-vingts
Italian: duecentoottanta
Spanish: doscientos ochenta
German: zweihundertachtzig
English: two hundred eighty

Other systems

Roman: CCLXXX
Binary: 100011000
Octal: 430
Duodecimal: 1b4
Hexadecimal: 118
Hexatridecimal: 7s

Properties

Natural logarithm: 5.6347896031692
Binary logarithm: 8.129283016945
Common logarithm: 2.4471580313422
Prime factors: 1 * 2 * 2 * 2 * 5 * 7
Digit sum: 10

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