...
77
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78
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79
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80
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81
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82
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83
...
URI: http://km.aifb.kit.edu/projects/numbers/n80
[URI4URI] External links
Wikipedia:
80_(number)
Wikidata:
Q712467
Names
Estonian:
kaheksakümmend
Czech:
osmdesát
Portuguese:
oitenta
Lithuanian:
aðtuoniasdeðimt
French:
quatre-vingts
Italian:
ottanta
Spanish:
ochenta
German:
achtzig
English:
eighty
Other systems
Roman:
LXXX
Binary:
1010000
Octal:
120
Duodecimal:
68
Hexadecimal:
50
Hexatridecimal:
28
Properties
Natural logarithm:
4.3820266346739
Binary logarithm:
6.3219280948874
Common logarithm:
1.9030899869919
Prime factors:
1
*
2
*
2
*
2
*
2
*
5
Digit sum:
8
Semantic forms
Graphite