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URI: http://km.aifb.kit.edu/projects/numbers/n4
[URI4URI] External links
Wikipedia:
4_(number)
Wikidata:
Q202
Names
Estonian:
neli
Czech:
ètyøi
Portuguese:
quatro
Lithuanian:
keturi
French:
quatre
Italian:
quattro
Spanish:
cuatro
German:
vier
English:
four
Other systems
Roman:
IV
Binary:
100
Octal:
4
Duodecimal:
4
Hexadecimal:
4
Hexatridecimal:
4
Properties
Natural logarithm:
1.3862943611199
Binary logarithm:
2
Common logarithm:
0.60205999132796
Prime factors:
1
*
2
*
2
Digit sum:
4
Semantic forms
Graphite