| HTML Entity (dec) | Η |
| HTML Entity (hex) | Η |
| UTF-8 (hex) | 0xce97 / 0xce 0x97 (2 bytes) |
| UTF-8 (dec) | 206, 151 (2 bytes) |
| UTF-16-BE (hex) | 0x397 / 0x03 0x97 (2 bytes) |
| UTF-16-BE (dec) | 3, 151 (2 bytes) |
| UTF-32-BE (hex) | 0x397 / 0x00 0x00 0x03 0x97 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 3, 151 (4 bytes) |
| C/C++/Java source code | "\u0397" |
| Python source code | "\u0397" |