Mathematical Alphanumeric Symbols: Mathematical Bold Digit One

𝟏

U+1D7CF

𝟏

Noto text font

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

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

Character Escapes

HTML5: 𝟏; 𝟏
C: \U01D7CF (C99)
C++: \u{1D7CF} (C++23); \U0001D7CF
Java: \uD835\uDFCF
JavaScript: \u{1D7CF}
CSS: \1D7CF; \01D7CF
Quoted-Printable: =F0=9D=9F=8F
URL: %F0%9D%9F%8F