UnicodeCharactercom
𝟟
U+1D7DF Β· MATHEMATICAL DOUBLE-STRUCK DIGIT SEVEN

Mathematical Double-Struck Digit Seven

  • CodepointU+1D7DF
  • NameMATHEMATICAL DOUBLE-STRUCK DIGIT SEVEN
  • Decimal120799
  • BlockMathematical Alphanumeric Symbols (U+1D400–U+1D7FF)
  • Plane1 β€” Supplementary Multilingual Plane
  • ScriptCommon
  • CategoryNd β€” Decimal Number
  • Unicode version3.1 (2001)
  • Bidi classEN β€” European Number
  • Combining class0
  • East Asian widthN β€” Neutral
  • MirroredNo

About this character

U+1D7DF (𝟟) is MATHEMATICAL DOUBLE-STRUCK DIGIT SEVEN, a decimal digit 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+0037 7 (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0037 7. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

It has the decimal digit value 7.

How to type 𝟟

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Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 9F 9F4 bytes
UTF-16D835 DFDFsurrogate pair
UTF-320001D7DF4 bytes
HTML decimal&#120799;
HTML hex&#x1D7DF;
CSS\1D7DFin content: "…"
JavaScript\u{1D7DF}ES2015+
JavaScript\uD835\uDFDFsurrogate pair
JSON\uD835\uDFDF
Python\U0001D7DF
Python\N{MATHEMATICAL DOUBLE-STRUCK DIGIT SEVEN}by name
Java / C#\uD835\uDFDF
C / C++\U0001D7DFuniversal character name
Rust / Swift / PHP\u{1D7DF}
Go\U0001D7DF
Ruby\u{1D7DF}
Excel / Sheets=UNICHAR(120799)
URL-encoded%F0%9D%9F%9Fpercent-encoded UTF-8
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Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+0037 7
NFKDU+0037 7
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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+00377Digit Seven U+1D7D5πŸ•Mathematical Bold Digit Seven U+1D7E9𝟩Mathematical Sans-Serif Digit Seven U+1D7F3𝟳Mathematical Sans-Serif Bold Digit Seven U+1D7FD𝟽Mathematical Monospace Digit Seven U+104D2𐓒Osage Capital Letter Za U+118C6𑣆Warang Citi Small Letter Ii U+1CCF7𜳷Outlined Digit Seven U+1D212πˆ’Greek Vocal Notation Symbol-19 U+1FBF7🯷Segmented Digit Seven
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Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D7D9πŸ™Mathematical Double-Struck Digit One U+1D7DA𝟚Mathematical Double-Struck Digit Two U+1D7DBπŸ›Mathematical Double-Struck Digit Three U+1D7DC𝟜Mathematical Double-Struck Digit Four U+1D7DD𝟝Mathematical Double-Struck Digit Five U+1D7DE𝟞Mathematical Double-Struck Digit Six U+1D7E0𝟠Mathematical Double-Struck Digit Eight U+1D7E1𝟑Mathematical Double-Struck Digit Nine U+1D7E2𝟒Mathematical Sans-Serif Digit Zero U+1D7E3𝟣Mathematical Sans-Serif Digit One U+1D7E4𝟀Mathematical Sans-Serif Digit Two U+1D7E5πŸ₯Mathematical Sans-Serif Digit Three