U+2119 DOUBLE-STRUCK CAPITAL P: ℙ – Unicode

U+2119 was added to Unicode in version 1.1 (1993). It belongs to the block U+2100 to U+214F Letterlike Symbols in the U+0000 to U+FFFF Basic Multilingual Plane.

This character is a Uppercase Letter and is commonly used, that is, in no specific script.

The glyph is a Font composition of the glyph Latin Capital Letter P. It has a Neutral East Asian Width. In bidirectional context it acts as Left To Right and is not mirrored. The glyph can, under circumstances, be confused with 1 other glyphs. In text U+2119 behaves as Alphabetic regarding line breaks. It has type Upper for sentence and Alphabetic Letter for word breaks. The Grapheme Cluster Break is Any.

The Wikipedia has the following information about this codepoint:

Blackboard bold is a typeface style that is often used for certain symbols in mathematical texts, in which certain lines of the symbol (usually vertical or near-vertical lines) are doubled. The symbols usually denote number sets. One way of producing blackboard bold is to double-strike a character with a small offset on a typewriter. Thus, they are also referred to as double struck.
In typography, such a font with characters that are not solid is called an "inline", "shaded", or "tooled" font.

Representations

System	Representation
Nº	8473
UTF-8	E2 84 99
UTF-16	21 19
UTF-32	00 00 21 19
URL-Quoted	%E2%84%99
HTML-Escape	ℙ
Wrong windows-1252 Mojibake	â
HTML-Escape	&Popf;
HTML-Escape	&primes;
L^AT_EX	\mathbb{P}

Related Characters

Confusables

Latin Capital Letter P

Elsewhere

Complete Record

Property	Value
Age	1.1 (1993)
Unicode Name	DOUBLE-STRUCK CAPITAL P
Unicode 1 Name	DOUBLE-STRUCK P
Block	Letterlike Symbols
General Category	Uppercase Letter
Script	Common
Bidirectional Category	Left To Right
Combining Class	Not Reordered
Decomposition Type	Font
Decomposition Mapping	Latin Capital Letter P
Lowercase	✘
Simple Lowercase Mapping	Double-Struck Capital P
Lowercase Mapping	Double-Struck Capital P
Uppercase	✔
Simple Uppercase Mapping	Double-Struck Capital P
Uppercase Mapping	Double-Struck Capital P
Simple Titlecase Mapping	Double-Struck Capital P
Titlecase Mapping	Double-Struck Capital P
Case Folding	Double-Struck Capital P
ASCII Hex Digit	✘
Alphabetic	✔
Bidi Control	✘
Bidi Mirrored	✘
Composition Exclusion	✘
Case Ignorable	✘
Changes When Casefolded	✘
Changes When Casemapped	✘
Changes When NFKC Casefolded	✔
Changes When Lowercased	✘
Changes When Titlecased	✘
Changes When Uppercased	✘
Cased	✔
Full Composition Exclusion	✘
Default Ignorable Code Point	✘
Dash	✘
Deprecated	✘
Diacritic	✘
Emoji Modifier Base	✘
Emoji Component	✘
Emoji Modifier	✘
Emoji Presentation	✘
Emoji	✘
Extender	✘
Extended Pictographic	✘
FC NFKC Closure	Latin Small Letter P
Grapheme Cluster Break	Any
Grapheme Base	✔
Grapheme Extend	✘
Grapheme Link	✘
Hex Digit	✘
Hyphen	✘
ID Continue	✔
ID Start	✔
IDS Binary Operator	✘
IDS Trinary Operator and	✘
Ideographic	✘
Indic Mantra Category	—
Indic Positional Category	NA
Indic Syllabic Category	Other
Jamo Short Name	—
Join Control	✘
Logical Order Exception	✘
Math	✔
Noncharacter Code Point	✘
NFC Quick Check	Yes
NFD Quick Check	Yes
NFKC Casefold	Latin Small Letter P
NFKC Quick Check	No
NFKD Quick Check	No
Other Alphabetic	✘
Other Default Ignorable Code Point	✘
Other Grapheme Extend	✘
Other ID Continue	✘
Other ID Start	✘
Other Lowercase	✘
Other Math	✔
Other Uppercase	✘
Prepended Concatenation Mark	✘
Pattern Syntax	✘
Pattern White Space	✘
Quotation Mark	✘
Regional Indicator	✘
Radical	✘
Sentence Break	Upper
Soft Dotted	✘
Sentence Terminal	✘
Terminal Punctuation	✘
Unified Ideograph	✘
Variation Selector	✘
Word Break	Alphabetic Letter
White Space	✘
XID Continue	✔
XID Start	✔
Expands On NFC	✘
Expands On NFD	✘
Expands On NFKC	✘
Expands On NFKD	✘
Bidi Paired Bracket	Double-Struck Capital P
Bidi Paired Bracket Type	None
East Asian Width	Neutral
Hangul Syllable Type	Not Applicable
ISO 10646 Comment	—
Joining Group	No_Joining_Group
Joining Type	Non Joining
Line Break	Alphabetic
Numeric Type	None
Numeric Value	not a number
Simple Case Folding	Double-Struck Capital P
Script Extension
Vertical Orientation	R