17.

U+2498, ⒘
NUMBER SEVENTEEN FULL STOP

[U+2497]
Enclosed Alphanumerics
[U+2499]

Icelandic

Icelandic numbers (edit)
 ←  16 17 18  → 
    Cardinal: sautján
    Ordinal: sautjándi
    Ordinal abbreviation: 17.
    Fractional: sautjándi

Adjective

17. (indeclinable)

  1. 17th