Mathematical Alphanumeric Symbols: Mathematical Double-Struck Capital J

𝕁

U+1D541

𝕁

Noto text font

Plane: 1 (Supplementary Multilingual)
Block: Mathematical Alphanumeric Symbols
Unicode Version: 3.1

UTF-32BE: 00 01 D5 41
UTF-32LE: 41 D5 01 00
UTF-16BE: D8 35 DD 41
UTF-16LE: 35 D8 41 DD
UTF-8: F0 9D 95 81

Character Escapes

HTML5: 𝕁; 𝕁; &Jopf;
C: \U01D541 (C99)
C++: \u{1D541} (C++23); \U0001D541
Java: \uD835\uDD41
JavaScript: \u{1D541}
CSS: \1D541; \01D541
Quoted-Printable: =F0=9D=95=81
URL: %F0%9D%95%81