U+1D417 "𝐗" Mathematical Bold Capital X Unicode Character

Unicode Version 17.0

𝐗

U+1D417 "𝐗" Mathematical Bold Capital X is designed for use in scientific and mathematical notation where a bold uppercase X is required to distinguish a variable or vector from standard text. It belongs to the Mathematical Alphanumeric Symbols block, specifically representing the Latin capital X in a bold typeface. This character is part of a comprehensive set intended to provide clear semantic differentiation in equations, such as denoting a vector quantity or a special matrix, without relying on HTML or LaTeX formatting. Its encoding allows for unambiguous representation in digital documents, making it essential for fields like physics, engineering, and advanced mathematics.

General Properties

Code Point U+1D417
Version Added 3.1
Name Mathematical Bold Capital X
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "X" U+0058 Latin Capital Letter X

Encodings

HTML Decimal Encoding 𝐗
HTML Hex Encoding 𝐗
UTF-8 Encoding 0xF0 0x9D 0x90 0x97
UTF-16 Encoding 0xD835 0xDC17
UTF-32 Encoding 0x0001D417
C/C++/Java Escape \ud835\udc17

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Uppercase Yes
Cased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "x" U+0078 Latin Small Letter X
NFKC Simple Casefold "x" U+0078 Latin Small Letter X
Script Common
Script Extensions Common
Indic Syllabic Category Other
ID Start Yes
XID Start Yes
ID Continue Yes
XID Continue Yes
Alphabetic Yes
Math Yes
Other Math Yes
Vertical Orientation Rotated
Grapheme Base Yes
Grapheme Cluster Break Other
Word Break Alphabetic letter
Sentence Break Upper