UnicodeCharactercom
𝒃
U+1D483 Β· MATHEMATICAL BOLD ITALIC SMALL B

Mathematical Bold Italic Small B

  • CodepointU+1D483
  • NameMATHEMATICAL BOLD ITALIC SMALL B
  • Decimal119939
  • BlockMathematical Alphanumeric Symbols (U+1D400–U+1D7FF)
  • Plane1 β€” Supplementary Multilingual Plane
  • ScriptCommon
  • CategoryLl β€” Lowercase Letter
  • Unicode version3.1 (2001)
  • Bidi classL β€” Left-to-Right
  • Combining class0
  • East Asian widthN β€” Neutral
  • MirroredNo

About this character

U+1D483 (𝒃) is MATHEMATICAL BOLD ITALIC SMALL B, a lowercase letter in the Mathematical Alphanumeric Symbols block. Its script is Common: it is shared by many writing systems rather than belonging to one. It was added in Unicode 3.1 (2001).

It is a font variant of U+0062 b (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0062 b. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type 𝒃

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Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 92 834 bytes
UTF-16D835 DC83surrogate pair
UTF-320001D4834 bytes
HTML decimal&#119939;
HTML hex&#x1D483;
CSS\1D483in content: "…"
JavaScript\u{1D483}ES2015+
JavaScript\uD835\uDC83surrogate pair
JSON\uD835\uDC83
Python\U0001D483
Python\N{MATHEMATICAL BOLD ITALIC SMALL B}by name
Java / C#\uD835\uDC83
C / C++\U0001D483universal character name
Rust / Swift / PHP\u{1D483}
Go\U0001D483
Ruby\u{1D483}
Excel / Sheets=UNICHAR(119939)
URL-encoded%F0%9D%92%83percent-encoded UTF-8
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Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+0062 b
NFKDU+0062 b
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Looks similar

Characters that Unicode’s security data (UTS #39 confusables) lists as visually confusable with this one. Useful for spotting lookalike spoofing in URLs and usernames.

U+0062bLatin Small Letter B U+0184Ζ„Latin Capital Letter Tone Six U+042CΠ¬Cyrillic Capital Letter Soft Sign U+1D41B𝐛Mathematical Bold Small B U+1D44F𝑏Mathematical Italic Small B U+1D4B7𝒷Mathematical Script Small B U+1D4EB𝓫Mathematical Bold Script Small B U+1D51Fπ”ŸMathematical Fraktur Small B U+1D553𝕓Mathematical Double-Struck Small B U+1D587𝖇Mathematical Bold Fraktur Small B U+1D5BB𝖻Mathematical Sans-Serif Small B U+1D5EF𝗯Mathematical Sans-Serif Bold Small B U+1D623𝘣Mathematical Sans-Serif Italic Small B U+1D657𝙗Mathematical Sans-Serif Bold Italic Small B U+1D68Bπš‹Mathematical Monospace Small B U+13CFᏏCherokee Letter Si
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Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D47D𝑽Mathematical Bold Italic Capital V U+1D47E𝑾Mathematical Bold Italic Capital W U+1D47F𝑿Mathematical Bold Italic Capital X U+1D480𝒀Mathematical Bold Italic Capital Y U+1D481𝒁Mathematical Bold Italic Capital Z U+1D482𝒂Mathematical Bold Italic Small A U+1D484𝒄Mathematical Bold Italic Small C U+1D485𝒅Mathematical Bold Italic Small D U+1D486𝒆Mathematical Bold Italic Small E U+1D487𝒇Mathematical Bold Italic Small F U+1D488π’ˆMathematical Bold Italic Small G U+1D489𝒉Mathematical Bold Italic Small H