Halfwidth and Fullwidth Forms: Fullwidth Number Sign

＃

U+FF03

＃

Noto text font

Plane: 0 (Basic Multilingual)
Block: Halfwidth and Fullwidth Forms
Unicode Version: 1.1

UTF-32BE: 00 00 FF 03
UTF-32LE: 03 FF 00 00
UTF-16BE: FF 03
UTF-16LE: 03 FF
UTF-8: EF BC 83

Character Escapes

HTML5: ＃; ＃
C: \uFF03 (C99); \U00FF03 (C99)
C++: \u{FF03} (C++23); \U0000FF03; \uFF03
Java: \uFF03
JavaScript: \u{FF03}; \uFF03
CSS: \FF03; \00FF03
Quoted-Printable: =EF=BC=83
URL: %EF%BC%83