U+1D6B6 "𝚶" Mathematical Bold Capital Omicron Unicode Character

Unicode Version 17.0

𝚶

U+1D6B6 "𝚶" Mathematical Bold Capital Omicron is a glyph from the Mathematical Alphanumeric Symbols block, specifically designed for use in mathematical and scientific notation where a bold, upright uppercase omicron is required. It represents the Greek letter omicron, which is often employed to denote various concepts such as the order of an algorithm in complexity theory or a specific constant in engineering, yet its bold formatting distinguishes it from a standard omicron used in Greek text. This character is part of a larger set of stylized Greek letters intended to ensure clarity and consistency in technical documents, particularly when different typefaces or weights (like bold) convey distinct meanings in equations. As a single code point, it allows typographers and authors to encode this specialized symbol without relying on font-based formatting, ensuring correct rendering across compliant software.

General Properties

Code Point U+1D6B6
Version Added 3.1
Name Mathematical Bold Capital Omicron
Block Mathematical Alphanumeric Symbols
General Category Uppercase Letter
Canonical Combining Class Not Reordered
Bidirectional Class Left To Right
Decomposition Type Font
Decomposition Mapping "Ο" U+039F Greek Capital Letter Omicron

Encodings

HTML Decimal Encoding 𝚶
HTML Hex Encoding 𝚶
UTF-8 Encoding 0xF0 0x9D 0x9A 0xB6
UTF-16 Encoding 0xD835 0xDEB6
UTF-32 Encoding 0x0001D6B6
C/C++/Java Escape \ud835\udeb6

Unicode Properties

NFC Quick Check Yes
NFD Quick Check Yes
Numeric Type None
Numeric Value NaN
Line Break Alphabetic
Uppercase Yes
Cased Yes
Changes When NFKC Casefolded Yes
NFKC Casefold "ο" U+03BF Greek Small Letter Omicron
NFKC Simple Casefold "ο" U+03BF Greek Small Letter Omicron
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 Upper