UnicodeCharactercom
𝐛
U+1D41B Β· MATHEMATICAL BOLD SMALL B

Mathematical Bold Small B

  • CodepointU+1D41B
  • NameMATHEMATICAL BOLD SMALL B
  • Decimal119835
  • 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+1D41B (𝐛) is MATHEMATICAL BOLD 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

Β§

Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 90 9B4 bytes
UTF-16D835 DC1Bsurrogate pair
UTF-320001D41B4 bytes
HTML decimal&#119835;
HTML hex&#x1D41B;
CSS\1D41Bin content: "…"
JavaScript\u{1D41B}ES2015+
JavaScript\uD835\uDC1Bsurrogate pair
JSON\uD835\uDC1B
Python\U0001D41B
Python\N{MATHEMATICAL BOLD SMALL B}by name
Java / C#\uD835\uDC1B
C / C++\U0001D41Buniversal character name
Rust / Swift / PHP\u{1D41B}
Go\U0001D41B
Ruby\u{1D41B}
Excel / Sheets=UNICHAR(119835)
URL-encoded%F0%9D%90%9Bpercent-encoded UTF-8
Β§

Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+0062 b
NFKDU+0062 b
Β§

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+1D44F𝑏Mathematical Italic Small B U+1D483𝒃Mathematical Bold 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
Β§

Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D415𝐕Mathematical Bold Capital V U+1D416𝐖Mathematical Bold Capital W U+1D417𝐗Mathematical Bold Capital X U+1D418𝐘Mathematical Bold Capital Y U+1D419𝐙Mathematical Bold Capital Z U+1D41A𝐚Mathematical Bold Small A U+1D41C𝐜Mathematical Bold Small C U+1D41D𝐝Mathematical Bold Small D U+1D41E𝐞Mathematical Bold Small E U+1D41F𝐟Mathematical Bold Small F U+1D420𝐠Mathematical Bold Small G U+1D421𝐑Mathematical Bold Small H