UnicodeCharactercom
𝟭
U+1D7ED · MATHEMATICAL SANS-SERIF BOLD DIGIT ONE

Mathematical Sans-Serif Bold Digit One

  • CodepointU+1D7ED
  • NameMATHEMATICAL SANS-SERIF BOLD DIGIT ONE
  • Decimal120813
  • BlockMathematical Alphanumeric Symbols (U+1D400–U+1D7FF)
  • Plane1 — Supplementary Multilingual Plane
  • ScriptCommon
  • CategoryNd — Decimal Number
  • Unicode version3.1 (2001)
  • Bidi classEN — European Number
  • Combining class0
  • East Asian widthN — Neutral
  • MirroredNo

About this character

U+1D7ED (𝟭) is MATHEMATICAL SANS-SERIF BOLD 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

§

Encodings & escapes

UTF-8 encoder →
UTF-8F0 9D 9F AD4 bytes
UTF-16D835 DFEDsurrogate pair
UTF-320001D7ED4 bytes
HTML decimal&#120813;
HTML hex&#x1D7ED;
CSS\1D7EDin content: "…"
JavaScript\u{1D7ED}ES2015+
JavaScript\uD835\uDFEDsurrogate pair
JSON\uD835\uDFED
Python\U0001D7ED
Python\N{MATHEMATICAL SANS-SERIF BOLD DIGIT ONE}by name
Java / C#\uD835\uDFED
C / C++\U0001D7EDuniversal character name
Rust / Swift / PHP\u{1D7ED}
Go\U0001D7ED
Ruby\u{1D7ED}
Excel / Sheets=UNICHAR(120813)
URL-encoded%F0%9D%9F%ADpercent-encoded UTF-8
§

Normalization forms

Normalizer →
NFCunchanged
NFDunchanged
NFKCU+0031 1
NFKDU+0031 1
§

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+0196ƖLatin Capital Letter Iota U+01C0ǀLatin Letter Dental Click U+0399ΙGreek Capital Letter Iota U+0406ІCyrillic Capital Letter Byelorussian-Ukrainian I U+04C0ӀCyrillic Letter Palochka U+05C0׀Hebrew Punctuation Paseq U+05D5וHebrew Letter Vav U+05DFןHebrew Letter Final Nun U+0627اArabic Letter Alef U+0661١Arabic-Indic Digit One U+06F1۱Extended Arabic-Indic Digit One U+16C1ᛁRunic Letter Isaz Is Iss I
§

Nearby in Mathematical Alphanumeric Symbols

All in block →
U+1D7E7𝟧Mathematical Sans-Serif Digit Five U+1D7E8𝟨Mathematical Sans-Serif Digit Six U+1D7E9𝟩Mathematical Sans-Serif Digit Seven U+1D7EA𝟪Mathematical Sans-Serif Digit Eight U+1D7EB𝟫Mathematical Sans-Serif Digit Nine U+1D7EC𝟬Mathematical Sans-Serif Bold Digit Zero U+1D7EE𝟮Mathematical Sans-Serif Bold Digit Two U+1D7EF𝟯Mathematical Sans-Serif Bold Digit Three U+1D7F0𝟰Mathematical Sans-Serif Bold Digit Four U+1D7F1𝟱Mathematical Sans-Serif Bold Digit Five U+1D7F2𝟲Mathematical Sans-Serif Bold Digit Six U+1D7F3𝟳Mathematical Sans-Serif Bold Digit Seven