Mathematical Alphanumeric Symbols: Mathematical Double-Struck Digit One

𝟙

U+1D7D9

𝟙

Noto text font

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

UTF-32BE: 00 01 D7 D9
UTF-32LE: D9 D7 01 00
UTF-16BE: D8 35 DF D9
UTF-16LE: 35 D8 D9 DF
UTF-8: F0 9D 9F 99

Character Escapes

HTML5: 𝟙; 𝟙
C: \U01D7D9 (C99)
C++: \u{1D7D9} (C++23); \U0001D7D9
Java: \uD835\uDFD9
JavaScript: \u{1D7D9}
CSS: \1D7D9; \01D7D9
Quoted-Printable: =F0=9D=9F=99
URL: %F0%9D%9F%99