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URI: http://km.aifb.kit.edu/projects/numbers/n19 
[URI4URI]    External links
    Wikipedia: 
19_(number)
    Wikidata: 
Q39850
    Names
    Estonian: 
üheksateist
    Czech: 
devatenáct
    Portuguese: 
dezenove
    Lithuanian: 
devyniolika
    French: 
dix-neuf
    Italian: 
diciannove
    Spanish: 
diecinueve
    German: 
neunzehn
    English: 
nineteen
    Other systems
    Roman: 
XIX
    Binary: 
10011
    Octal: 
23
    Duodecimal: 
17
    Hexadecimal: 
13
    Hexatridecimal: 
j
    Properties
    Natural logarithm: 
2.9444389791664
    Binary logarithm: 
4.2479275134436
    Common logarithm: 
1.2787536009528
    Prime factors: 
    1
    * 
    19
    Digit sum: 
    10
    
      Semantic forms
    Graphite