U+1EEB9 "𞺹" Arabic Mathematical Double-Struck Dad Unicode Character

Unicode Version 17.0

𞺹

U+1EEB9 "𞺹" Arabic Mathematical Double-Struck Dad is part of the Arabic Mathematical Alphabetic Symbols block, designed for use in mathematical and scientific contexts where Arabic letters are needed in a double-struck or blackboard bold style. This character represents the Arabic letter Dad, which is historically known as the emphatic consonant /dˤ/ in Arabic phonology. It is primarily intended for notation in formal mathematical texts, such as those involving algebra or number theory, rather than for general linguistic or everyday writing. The double-struck style gives the letter a distinctive, bold appearance that distinguishes it from its standard typographic form, facilitating clear expression of symbolic concepts in academic works.

General Properties

Code Point U+1EEB9
Version Added 6.1
Name Arabic Mathematical Double-Struck Dad
Block Arabic Mathematical Alphabetic Symbols
General Category Other Letter
Canonical Combining Class Not Reordered
Bidirectional Class Arabic Letter
Decomposition Type Font
Decomposition Mapping "ض" U+0636 Arabic Letter Dad

Encodings

HTML Decimal Encoding 𞺹
HTML Hex Encoding 𞺹
UTF-8 Encoding 0xF0 0x9E 0xBA 0xB9
UTF-16 Encoding 0xD83B 0xDEB9
UTF-32 Encoding 0x0001EEB9
C/C++/Java Escape \ud83b\udeb9

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Changes When NFKC Casefolded Yes
NFKC Casefold "ض" U+0636 Arabic Letter Dad
NFKC Simple Casefold "ض" U+0636 Arabic Letter Dad
Script Arabic
Script Extensions Arabic
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 OLetter