UnicodeCharactercom
𝐟
U+1D41F Β· MATHEMATICAL BOLD SMALL F

Mathematical Bold Small F

  • CodepointU+1D41F
  • NameMATHEMATICAL BOLD SMALL F
  • Decimal119839
  • 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+1D41F (𝐟) is MATHEMATICAL BOLD SMALL F, 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+0066 f (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0066 f. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type 𝐟

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Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 90 9F4 bytes
UTF-16D835 DC1Fsurrogate pair
UTF-320001D41F4 bytes
HTML decimal&#119839;
HTML hex&#x1D41F;
CSS\1D41Fin content: "…"
JavaScript\u{1D41F}ES2015+
JavaScript\uD835\uDC1Fsurrogate pair
JSON\uD835\uDC1F
Python\U0001D41F
Python\N{MATHEMATICAL BOLD SMALL F}by name
Java / C#\uD835\uDC1F
C / C++\U0001D41Funiversal character name
Rust / Swift / PHP\u{1D41F}
Go\U0001D41F
Ruby\u{1D41F}
Excel / Sheets=UNICHAR(119839)
URL-encoded%F0%9D%90%9Fpercent-encoded UTF-8
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Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+0066 f
NFKDU+0066 f
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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+0066fLatin Small Letter F U+017FΕΏLatin Small Letter Long S U+0584Φ„Armenian Small Letter Keh U+1E9DẝLatin Small Letter Long S with High Stroke U+1D453𝑓Mathematical Italic Small F U+1D487𝒇Mathematical Bold Italic Small F U+1D4BB𝒻Mathematical Script Small F U+1D4EF𝓯Mathematical Bold Script Small F U+1D523𝔣Mathematical Fraktur Small F U+1D557𝕗Mathematical Double-Struck Small F U+1D58B𝖋Mathematical Bold Fraktur Small F U+1D5BF𝖿Mathematical Sans-Serif Small F U+1D5F3𝗳Mathematical Sans-Serif Bold Small F U+1D627𝘧Mathematical Sans-Serif Italic Small F U+1D65B𝙛Mathematical Sans-Serif Bold Italic Small F U+1D68F𝚏Mathematical Monospace Small F
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Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D419𝐙Mathematical Bold Capital Z U+1D41A𝐚Mathematical Bold Small A U+1D41B𝐛Mathematical Bold Small B U+1D41C𝐜Mathematical Bold Small C U+1D41D𝐝Mathematical Bold Small D U+1D41E𝐞Mathematical Bold Small E U+1D420𝐠Mathematical Bold Small G U+1D421𝐑Mathematical Bold Small H U+1D422𝐒Mathematical Bold Small I U+1D423𝐣Mathematical Bold Small J U+1D424𝐀Mathematical Bold Small K U+1D425π₯Mathematical Bold Small L