| HTML Entity (dec) | 𝐉 |
| HTML Entity (hex) | 𝐉 |
| UTF-8 (hex) | 0xf09d9089 / 0xf0 0x9d 0x90 0x89 (4 bytes) |
| UTF-8 (dec) | 240, 157, 144, 137 (4 bytes) |
| UTF-16-BE (hex) | 0xd835dc09 / 0xd8 0x35 0xdc 0x09 (4 bytes) |
| UTF-16-BE (dec) | 216, 53, 220, 9 (4 bytes) |
| UTF-32-BE (hex) | 0x1d409 / 0x00 0x01 0xd4 0x09 (4 bytes) |
| UTF-32-BE (dec) | 0, 1, 212, 9 (4 bytes) |
| C/C++/Java source code | "\u1d409" |
| Python source code | "\u1d409" |