16.

U+2497, ⒗
NUMBER SIXTEEN FULL STOP

[U+2496]
Enclosed Alphanumerics
[U+2498]

Icelandic

Icelandic numbers (edit)
 ←  15 16 17  → 
    Cardinal: sextán
    Ordinal: sextándi
    Ordinal abbreviation: 16.
    Fractional: sextándi

Adjective

16. (indeclinable)

  1. 16th