| HTML Entity (dec) | 萤 |
| HTML Entity (hex) | 萤 |
| UTF-8 (hex) | 0xe890a4 / 0xe8 0x90 0xa4 (3 bytes) |
| UTF-8 (dec) | 232, 144, 164 (3 bytes) |
| UTF-16-BE (hex) | 0x8424 / 0x84 0x24 (2 bytes) |
| UTF-16-BE (dec) | 132, 36 (2 bytes) |
| UTF-32-BE (hex) | 0x8424 / 0x00 0x00 0x84 0x24 (4 bytes) |
| UTF-32-BE (dec) | 0, 0, 132, 36 (4 bytes) |
| C/C++/Java source code | "\u8424" |
| Python source code | "\u8424" |