U+1D6E1 "𝛡" Mathematical Bold Pi Symbol Unicode Character

Unicode Version 17.0

𝛡

U+1D6E1 "𝛡" Mathematical Bold Pi Symbol is a typographic variant of the lowercase Greek letter pi, designed in a bold typeface specifically for use in mathematical and scientific notation. Unlike the standard Greek pi used in general text, this character belongs to the Unicode block "Mathematical Alphanumeric Symbols," which provides distinct glyphs for letters, digits, and symbols so that they can be clearly distinguished from ordinary text in formal equations, such as representing the product operator or the mathematical constant π in a bold style for emphasis or to denote a vector or tensor quantity. Its inclusion in the Unicode standard ensures that mathematicians, scientists, and engineers can reliably display and interchange this specialized symbol across different digital platforms and fonts.

General Properties

Code Point U+1D6E1
Version Added 3.1
Name Mathematical Bold Pi Symbol
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+03D6 Greek Pi Symbol

Encodings

HTML Decimal Encoding 𝛡
HTML Hex Encoding 𝛡
UTF-8 Encoding 0xF0 0x9D 0x9B 0xA1
UTF-16 Encoding 0xD835 0xDEE1
UTF-32 Encoding 0x0001D6E1
C/C++/Java Escape \ud835\udee1

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