28

... 25 - 26 - 27 - 28 - 29 - 30 - 31 ...

URI: http://km.aifb.kit.edu/projects/numbers/n28 [URI4URI]

External links

Wikipedia: 28_(number)
Wikidata: Q587465

Names

Estonian: kakskümmend kaheksa
Czech: dvacet osm
Portuguese: vinte e oito
Lithuanian: dvideðimt aðtuoni
French: vingt-huit
Italian: ventotto
Spanish: veintiocho
German: achtundzwanzig
English: twenty-eight

Other systems

Roman: XXVIII
Binary: 11100
Octal: 34
Duodecimal: 24
Hexadecimal: 1c
Hexatridecimal: s

Properties

Natural logarithm: 3.3322045101752
Binary logarithm: 4.8073549220576
Common logarithm: 1.4471580313422
Prime factors: 1 * 2 * 2 * 7
Digit sum: 10

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