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U+1D7E1 CHARACTER

MATHEMATICAL DOUBLE-STRUCK DIGIT NINE

Quick Facts

Unicode Name MATHEMATICAL DOUBLE-STRUCK DIGIT NINE
Code Point U+1D7E1
Decimal Value 120801
General Category Decimal Number (Nd) →
Unicode Block Mathematical Alphanumeric Symbols →
Script Common →
Unicode Version Unicode 3.1 →
Unicode Plane Supplementary Multilingual Plane (SMP)

Byte Encodings

UTF-8 4 bytes F0 9D 9F A1
UTF-16 Surrogate Pair D835 DFE1
High: U+D835 (\uD835) Low: U+DFE1 (\uDFE1)
UTF-32 4 bytes 0001D7E1
UTF-16BE / LE Byte Order
BE: D8 35 DF E1 LE: 35 D8 E1 DF
UTF-32BE / LE Byte Order
BE: 00 01 D7 E1 LE: E1 D7 01 00

Developer Code Escapes

HTML Decimal 𝟡
HTML Hexadecimal 𝟡
HTML Named Entity None
CSS Escape \01D7E1
JavaScript (ES6) \u{1D7E1}
JavaScript (UTF-16) \uD835\uDFE1
JSON Escape \uD835\uDFE1
Python \U0001D7E1
PHP "\u{1D7E1}"
Java "\uD835\uDFE1"
C / C++ "\U0001D7E1"
Rust '\u{1d7e1}'
URL Percent-Encoded %F0%9D%9F%A1

Normalization & Decomposition

Combining Class 0Not Reordered (Spacing)
Decomposition <font> 0039 font
NFC / NFD Forms Compatibility decomposition (<font>): NFKD/NFKC normalize to equivalent base characters.

Bidirectional Properties

Bidi Class ENEuropean Number
Bidi Mirrored No

Case Mapping & Numeric Data

Numeric Value 1 (decimal)

Font Specimen & Rendering

Visual rendering of U+1D7E1 across standard system font stacks. Rendering fidelity depends on installed OS font glyph coverage.

Sans-Serif System UI, Inter, Arial
𝟡
Context: A 𝟡 Z 123
Serif Georgia, Times, Cambria
𝟡
Context: A 𝟡 Z 123
Monospace Consolas, SF Mono, Courier
𝟡
Context: A 𝟡 Z 123
System Default Operating System Glyph Fallback
𝟡
Context: A 𝟡 Z 123

Names & Aliases

Official Name MATHEMATICAL DOUBLE-STRUCK DIGIT NINE

The normative, immutable character identifier in the Unicode Character Database.

Identifier U+1D7E1

Related Characters & Collections

𝟡
Curated Symbol Collection Curated in CopyCharacter's MATHEMATICAL DOUBLE-STRUCK DIGIT NINE symbol library.
View Symbol →