unicode

𝕀

U+1D540

MATHEMATICAL DOUBLE-STRUCK CAPITAL I

MATHEMATICAL DOUBLE-STRUCK CAPITAL I · Uppercase Letter · Mathematical Alphanumeric Symbols · Common script

xid-start

Quick facts

Code point: U+1D540
Decimal: 120128
Name: MATHEMATICAL DOUBLE-STRUCK CAPITAL I
General category: Lu — Uppercase Letter
Block: Mathematical Alphanumeric Symbols
Script: Common
Bidi class: L
Combining class: 0
Age: 3.1
Name aliases: —

Normalization & case

Decomposition: <font> 0049
Uppercase: —
Lowercase: —
Titlecase: —
Case folding: —
Bidi mirrored: No

Layout & width

East Asian Width: N
Line Break: AL
Numeric: —
Script extensions: —

Binary properties

AlphabeticUppercaseID_StartID_ContinueXID_StartXID_Continue

Developer examples

JS: '\u{1d540}' // U+1D540
Python: "\N{MATHEMATICAL DOUBLE-STRUCK CAPITAL I}"
HTML: 𝕀

Encodings & escapes

UTF-8
UTF-16
UTF-32
HTML decimal
HTML hex
HTML named
JavaScript
Python
CSS
JSON
URL (UTF-8)
C / C++

Related

Next

U+1D541

HTML entity

&Iopf;

Block

Mathematical Alphanumeric Symbols

Category

Uppercase Letter

Script

Common

Source

Unicode: 16.0.0
WHATWG: —