Greek and Coptic: [Unassigned]
- Unicode Version
- [None]
- UTF-32BE
- 00 00 03 81
- UTF-32LE
- 81 03 00 00
- UTF-16BE
- 03 81
- UTF-16LE
- 81 03
- UTF-8
- CE 81
Character Escapes
- HTML5
΁΁- C
\u0381 (C99)\U000381 (C99)- C++
\u{381} (C++23)\U00000381\u0381- Java
\u0381- JavaScript
\u{381}\u0381- CSS
\381\000381- Quoted-Printable
=CE=81- URL
%CE%81