UnicodeCharactercom
𝟜
U+1D7DC Β· MATHEMATICAL DOUBLE-STRUCK DIGIT FOUR

Mathematical Double-Struck Digit Four

  • CodepointU+1D7DC
  • NameMATHEMATICAL DOUBLE-STRUCK DIGIT FOUR
  • Decimal120796
  • 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+1D7DC (𝟜) is MATHEMATICAL DOUBLE-STRUCK DIGIT FOUR, 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+0034 4 (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0034 4. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

It has the decimal digit value 4.

How to type 𝟜

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Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 9F 9C4 bytes
UTF-16D835 DFDCsurrogate pair
UTF-320001D7DC4 bytes
HTML decimal&#120796;
HTML hex&#x1D7DC;
CSS\1D7DCin content: "…"
JavaScript\u{1D7DC}ES2015+
JavaScript\uD835\uDFDCsurrogate pair
JSON\uD835\uDFDC
Python\U0001D7DC
Python\N{MATHEMATICAL DOUBLE-STRUCK DIGIT FOUR}by name
Java / C#\uD835\uDFDC
C / C++\U0001D7DCuniversal character name
Rust / Swift / PHP\u{1D7DC}
Go\U0001D7DC
Ruby\u{1D7DC}
Excel / Sheets=UNICHAR(120796)
URL-encoded%F0%9D%9F%9Cpercent-encoded UTF-8
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Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+0034 4
NFKDU+0034 4
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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+00344Digit Four U+1D7D2πŸ’Mathematical Bold Digit Four U+1D7E6𝟦Mathematical Sans-Serif Digit Four U+1D7F0𝟰Mathematical Sans-Serif Bold Digit Four U+1D7FA𝟺Mathematical Monospace Digit Four U+13CEᏎCherokee Letter Se U+118AFπ‘’―Warang Citi Capital Letter Uc U+1CCF4𜳴Outlined Digit Four U+1FBF4🯴Segmented Digit Four
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Nearby in Mathematical Alphanumeric Symbols

All in block β†’
U+1D7D6πŸ–Mathematical Bold Digit Eight U+1D7D7πŸ—Mathematical Bold Digit Nine U+1D7D8𝟘Mathematical Double-Struck Digit Zero U+1D7D9πŸ™Mathematical Double-Struck Digit One U+1D7DA𝟚Mathematical Double-Struck Digit Two U+1D7DBπŸ›Mathematical Double-Struck Digit Three U+1D7DD𝟝Mathematical Double-Struck Digit Five U+1D7DE𝟞Mathematical Double-Struck Digit Six U+1D7DF𝟟Mathematical Double-Struck Digit Seven U+1D7E0𝟠Mathematical Double-Struck Digit Eight U+1D7E1𝟑Mathematical Double-Struck Digit Nine U+1D7E2𝟒Mathematical Sans-Serif Digit Zero