18

... 15 - 16 - 17 - 18 - 19 - 20 - 21 ...

URI: http://km.aifb.kit.edu/projects/numbers/n18 [URI4URI]

External links

Wikipedia: 18_(number)
Wikidata: Q38712

Names

Estonian: kaheksateist
Czech: osmnáct
Portuguese: dezoito
Lithuanian: aðtuoniolika
French: dix-huit
Italian: diciotto
Spanish: dieciocho
German: achtzehn
English: eighteen

Other systems

Roman: XVIII
Binary: 10010
Octal: 22
Duodecimal: 16
Hexadecimal: 12
Hexatridecimal: i

Properties

Natural logarithm: 2.8903717578962
Binary logarithm: 4.1699250014423
Common logarithm: 1.2552725051033
Prime factors: 1 * 2 * 3 * 3
Digit sum: 9

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