...
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
Semantic forms
Graphite