Mathematical Alphanumeric Symbols: Mathematical Double-Struck Capital I

𝕀

U+1D540

𝕀

Noto text font

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

UTF-32BE: 00 01 D5 40
UTF-32LE: 40 D5 01 00
UTF-16BE: D8 35 DD 40
UTF-16LE: 35 D8 40 DD
UTF-8: F0 9D 95 80

Character Escapes

HTML5: 𝕀; 𝕀; &Iopf;
C: \U01D540 (C99)
C++: \u{1D540} (C++23); \U0001D540
Java: \uD835\uDD40
JavaScript: \u{1D540}
CSS: \1D540; \01D540
Quoted-Printable: =F0=9D=95=80
URL: %F0%9D%95%80