Inicio U+1D400 para U+1D7FF Mathematical Alphanumeric Symbols
Glifo para U+1D7D9
Fuente: Noto Sans Math

U+1D7D9 Mathematical Double-Struck Digit One

U+1D7D9 was added in Unicode version 3.1 in 2001. It belongs to the block U+1D400 para U+1D7FF Mathematical Alphanumeric Symbols in the U+10000 para U+1FFFF Supplementary Multilingual Plane.

This character is a Decimal Number and is commonly used, that is, in no specific script. The codepoint has the decimal value 1.

The glyph is a font version of the glyph Glifo para U+0031 Digit One. It has no designated width in East Asian texts. In bidirectional text it is written as European number from left to right. When changing direction it is not mirrored. This number joins with other adjacent letters and numbers to form a word. U+1D7D9 forms a number with similar characters, which prevents a line break inside it. The glyph can be confused with one other glyph.

El Wikipedia tiene la siguiente información acerca de este punto de código:

In linear algebra, the identity matrix of size n is the n × n square matrix with ones on the main diagonal and zeros elsewhere. It has unique properties, for example when the identity matrix represents a geometric transformation, the object remains unchanged by the transformation. In other contexts, it is analogous to multiplying by the number 1.

Representaciones

Sistema Representación
N.º 120793
UTF-8 F0 9D 9F 99
UTF-16 D8 35 DF D9
UTF-32 00 01 D7 D9
URL-Quoted %F0%9D%9F%99
HTML hex reference 𝟙
Mojibake mal de windows-1252 𝟙
Codificación: GB18030 (hexadecimales bytes) 94 33 EC 37
LATEX \mathbb{1}

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Registro completo

Propiedad Valor
Antigüedad (age) 3.1 (2001)
Nombre Unicode (na) MATHEMATICAL DOUBLE-STRUCK DIGIT ONE
Nombre Unicode 1 (na1) —
Block (blk) Mathematical Alphanumeric Symbols
Categoría general (gc) Decimal Number
Script (sc) Common
Categoría de bidireccionalidad (bc) European Number
Combining Class (ccc) Not Reordered
Tipo de descomposición (dt) font
Decomposition Mapping (dm) Glifo para U+0031 Digit One
Minúscula (Lower) ✘
Simple Lowercase Mapping (slc) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Lowercase Mapping (lc) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Mayúscula (Upper) ✘
Simple Uppercase Mapping (suc) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Uppercase Mapping (uc) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Simple Titlecase Mapping (stc) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Titlecase Mapping (tc) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Case Folding (cf) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
ASCII Hex Digit (AHex) ✘
Alphabetic (Alpha) ✘
Bidi Control (Bidi_C) ✘
Bidi Mirrored (Bidi_M) ✘
Exclusión de descomposición (CE) ✘
Case Ignorable (CI) ✘
Changes When Casefolded (CWCF) ✘
Changes When Casemapped (CWCM) ✘
Changes When NFKC Casefolded (CWKCF) ✔
Changes When Lowercased (CWL) ✘
Changes When Titlecased (CWT) ✘
Changes When Uppercased (CWU) ✘
Cased (Cased) ✘
Exclusión de composición completa (Comp_Ex) ✘
Default Ignorable Code Point (DI) ✘
Raya (Dash) ✘
Deprecated (Dep) ✘
Diacrítico (Dia) ✘
Base de modificador de emoyi (EBase) ✘
Componente de emoyi (EComp) ✘
Modificador de emoyi (EMod) ✘
Presentación de emoyi (EPres) ✘
Emoyi (Emoji) ✘
Extender (Ext) ✘
Extended Pictographic (ExtPict) ✘
FC NFKC Closure (FC_NFKC) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Grapheme Cluster Break (GCB) Any
Base de grafema (Gr_Base) ✔
Extensión de grafema (Gr_Ext) ✘
Enlace de grafema (Gr_Link) ✘
Hex Digit (Hex) ✘
Guion (Hyphen) ✘
ID Continue (IDC) ✔
ID Start (IDS) ✘
IDS Binary Operator (IDSB) ✘
IDS Trinary Operator and (IDST) ✘
IDSU (IDSU) 0
ID_Compat_Math_Continue (ID_Compat_Math_Continue) 0
ID_Compat_Math_Start (ID_Compat_Math_Start) 0
Ideographic (Ideo) ✘
InCB (InCB) None
Indic Mantra Category (InMC) —
Indic Positional Category (InPC) NA
Indic Syllabic Category (InSC) Other
Jamo Short Name (JSN) —
Join Control (Join_C) ✘
Logical Order Exception (LOE) ✘
Modifier Combining Mark (MCM) ✘
Math (Math) ✔
Noncharacter Code Point (NChar) ✘
NFC Quick Check (NFC_QC) Sí
NFD Quick Check (NFD_QC) Sí
NFKC Casefold (NFKC_CF) Glifo para U+0031 Digit One
NFKC Quick Check (NFKC_QC) No
NFKC_SCF (NFKC_SCF) Glifo para U+0031 Digit One
NFKD Quick Check (NFKD_QC) No
Other Alphabetic (OAlpha) ✘
Other Default Ignorable Code Point (ODI) ✘
Otra extensión de grafema (OGr_Ext) ✘
Other ID Continue (OIDC) ✘
Other ID Start (OIDS) ✘
Other Lowercase (OLower) ✘
Other Math (OMath) ✔
Other Uppercase (OUpper) ✘
Prepended Concatenation Mark (PCM) ✘
Pattern Syntax (Pat_Syn) ✘
Pattern White Space (Pat_WS) ✘
Comilla (QMark) ✘
Indicador regional (RI) ✘
Radical (Radical) ✘
Salto de oración (SB) Numeric
Soft Dotted (SD) ✘
Sentence Terminal (STerm) ✘
Terminal Punctuation (Term) ✘
Ideograma unificado (UIdeo) ✘
Selector de variación (VS) ✘
Salto de palabra (WB) Numeric
Espacio en blanco (WSpace) ✘
XID Continue (XIDC) ✔
XID Start (XIDS) ✘
Expands On NFC (XO_NFC) ✘
Expands On NFD (XO_NFD) ✘
Expands On NFKC (XO_NFKC) ✘
Expands On NFKD (XO_NFKD) ✘
Bidi Paired Bracket (bpb) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Bidi Paired Bracket Type (bpt) None
East Asian Width (ea) neutral
Hangul Syllable Type (hst) Not Applicable
ISO 10646 Comment (isc) —
Joining Group (jg) No_Joining_Group
Joining Type (jt) Non Joining
Line Break (lb) Numeric
Numeric Type (nt) decimal
Valor numérico (nv) 1
Simple Case Folding (scf) Glifo para U+1D7D9 Mathematical Double-Struck Digit One
Script Extension (scx)
Orientación vertical (vo) R