German edit

German numbers (edit)
 ←  27 28 29  → 
    Cardinal: achtundzwanzig
    Ordinal: achtundzwanzigste
    Sequence adverb: achtundzwanzigstens
    Ordinal abbreviation: 28.
    Adverbial: achtundzwanzigmal
    Adverbial abbreviation: 28-mal
    Multiplier: achtundzwanzigfach
    Multiplier abbreviation: 28-fach
    Fractional: Achtundzwanzigstel
    Polygon: Achtundzwanzigeck
    Polygon abbreviation: 28-Eck
    Polygonal adjective: achtundzwanzigeckig
    Polygonal adjective abbreviation: 28-eckig

Adjective edit

28. (indeclinable)

  1. (ordinal number) Abbreviation of achtundzwanzigste. 28th, twenty-eighth