UnicodeCharactercom
𝟣
U+1D7E3 Β· MATHEMATICAL SANS-SERIF DIGIT ONE

Mathematical Sans-Serif Digit One

  • CodepointU+1D7E3
  • NameMATHEMATICAL SANS-SERIF DIGIT ONE
  • Decimal120803
  • 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+1D7E3 (𝟣) is MATHEMATICAL SANS-SERIF DIGIT ONE, 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+0031 1 (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0031 1. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

It has the decimal digit value 1.

How to type 𝟣

Β§

Encodings & escapes

UTF-8 encoder β†’
UTF-8F0 9D 9F A34 bytes
UTF-16D835 DFE3surrogate pair
UTF-320001D7E34 bytes
HTML decimal&#120803;
HTML hex&#x1D7E3;
CSS\1D7E3in content: "…"
JavaScript\u{1D7E3}ES2015+
JavaScript\uD835\uDFE3surrogate pair
JSON\uD835\uDFE3
Python\U0001D7E3
Python\N{MATHEMATICAL SANS-SERIF DIGIT ONE}by name
Java / C#\uD835\uDFE3
C / C++\U0001D7E3universal character name
Rust / Swift / PHP\u{1D7E3}
Go\U0001D7E3
Ruby\u{1D7E3}
Excel / Sheets=UNICHAR(120803)
URL-encoded%F0%9D%9F%A3percent-encoded UTF-8
Β§

Normalization forms

Normalizer β†’
NFCunchanged
NFDunchanged
NFKCU+0031 1
NFKDU+0031 1
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+00311Digit One U+0049ILatin Capital Letter I U+006ClLatin Small Letter L U+007C|Vertical Line U+0196Ζ–Latin Capital Letter Iota U+01C0Η€Latin Letter Dental Click U+0399Ξ™Greek Capital Letter Iota U+0406Π†Cyrillic Capital Letter Byelorussian-Ukrainian I U+04C0Σ€Cyrillic Letter Palochka U+05C0Χ€Hebrew Punctuation Paseq U+05D5Χ•Hebrew Letter Vav U+05DFןHebrew Letter Final Nun U+0627Ψ§Arabic Letter Alef U+0661Ω‘Arabic-Indic Digit One U+06F1Ϋ±Extended Arabic-Indic Digit One U+16C1ᛁRunic Letter Isaz Is Iss I
Β§

Nearby in Mathematical Alphanumeric Symbols

All in block β†’
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 U+1D7E4𝟀Mathematical Sans-Serif Digit Two U+1D7E5πŸ₯Mathematical Sans-Serif Digit Three U+1D7E6𝟦Mathematical Sans-Serif Digit Four U+1D7E7𝟧Mathematical Sans-Serif Digit Five U+1D7E8𝟨Mathematical Sans-Serif Digit Six U+1D7E9𝟩Mathematical Sans-Serif Digit Seven