Mathematical Alphanumeric Symbols: Mathematical Bold Small X

𝐱

U+1D431

𝐱

Noto text font

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

UTF-32BE: 00 01 D4 31
UTF-32LE: 31 D4 01 00
UTF-16BE: D8 35 DC 31
UTF-16LE: 35 D8 31 DC
UTF-8: F0 9D 90 B1

Character Escapes

HTML5: 𝐱; 𝐱
C: \U01D431 (C99)
C++: \u{1D431} (C++23); \U0001D431
Java: \uD835\uDC31
JavaScript: \u{1D431}
CSS: \1D431; \01D431
Quoted-Printable: =F0=9D=90=B1
URL: %F0%9D%90%B1