15

... 12 - 13 - 14 - 15 - 16 - 17 - 18 ...


URI: http://km.aifb.kit.edu/projects/numbers/n15 [URI4URI]

External links

Wikipedia: 15_(number)
Wikidata: Q38701

Names

Estonian: viisteist
Czech: patnáct
Portuguese: quinze
Lithuanian: penkiolika
French: quinze
Italian: quindici
Spanish: quince
German: fünfzehn
English: fifteen

Other systems

Roman: XV
Binary: 1111
Octal: 17
Duodecimal: 13
Hexadecimal: f
Hexatridecimal: f

Properties

Natural logarithm: 2.7080502011022
Binary logarithm: 3.9068905956085
Common logarithm: 1.1760912590557
Prime factors: 1 * 3 * 5
Digit sum: 6

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Published April 1, 2010