U+1D6D1 "𝛑" Mathematical Bold Small Pi Unicode Character

Unicode Version 17.0

𝛑

U+1D6D1 "𝛑" Mathematical Bold Small Pi is a stylized version of the lowercase Greek letter pi rendered in a bold font, specifically designated for use in mathematical and scientific notation to represent the mathematical constant approximately equal to 3.14159 or other uses of the letter in formulas. Unlike the ordinary Greek small pi in the basic Greek block, this character belongs to the Mathematical Alphanumeric Symbols block, allowing it to convey semantic meaning in typesetting systems where distinct font styles are required for variables and constants without relying on markup. This bold variant is particularly useful in contexts like vector notation, matrix expressions, or boldface equations where consistency with other bold mathematical symbols is necessary, ensuring clarity in academic papers, textbooks, or digital documents that use Unicode for mathematical text.

General Properties

Code Point U+1D6D1
Version Added 3.1
Name Mathematical Bold Small Pi
Block Mathematical Alphanumeric Symbols
General Category Lowercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "π" U+03C0 Greek Small Letter Pi

Encodings

HTML Decimal Encoding 𝛑
HTML Hex Encoding 𝛑
UTF-8 Encoding 0xF0 0x9D 0x9B 0x91
UTF-16 Encoding 0xD835 0xDED1
UTF-32 Encoding 0x0001D6D1
C/C++/Java Escape \ud835\uded1

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Lowercase Yes
Cased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "π" U+03C0 Greek Small Letter Pi
NFKC Simple Casefold "π" U+03C0 Greek Small Letter Pi
Script Common
Script Extensions Common
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 Lower