UnicodeCharactercom
𝚰
U+1D6B0 · MATHEMATICAL BOLD CAPITAL IOTA

Mathematical Bold Capital Iota

  • CodepointU+1D6B0
  • NameMATHEMATICAL BOLD CAPITAL IOTA
  • Decimal120496
  • BlockMathematical Alphanumeric Symbols (U+1D400–U+1D7FF)
  • Plane1 — Supplementary Multilingual Plane
  • ScriptCommon
  • CategoryLu — Uppercase Letter
  • Unicode version3.1 (2001)
  • Bidi classL — Left-to-Right
  • Combining class0
  • East Asian widthN — Neutral
  • MirroredNo

About this character

U+1D6B0 (𝚰) is MATHEMATICAL BOLD CAPITAL IOTA, an uppercase 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+0399 Ι (compatibility decomposition <font>). NFC and NFD leave it alone, but NFKC and NFKD replace it with U+0399 Ι. Search engines, identifier checks and username systems that apply NFKC will treat the two as the same text.

How to type 𝚰

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Encodings & escapes

UTF-8 encoder →
UTF-8F0 9D 9A B04 bytes
UTF-16D835 DEB0surrogate pair
UTF-320001D6B04 bytes
HTML decimal&#120496;
HTML hex&#x1D6B0;
CSS\1D6B0in content: "…"
JavaScript\u{1D6B0}ES2015+
JavaScript\uD835\uDEB0surrogate pair
JSON\uD835\uDEB0
Python\U0001D6B0
Python\N{MATHEMATICAL BOLD CAPITAL IOTA}by name
Java / C#\uD835\uDEB0
C / C++\U0001D6B0universal character name
Rust / Swift / PHP\u{1D6B0}
Go\U0001D6B0
Ruby\u{1D6B0}
Excel / Sheets=UNICHAR(120496)
URL-encoded%F0%9D%9A%B0percent-encoded UTF-8
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Normalization forms

Normalizer →
NFCunchanged
NFDunchanged
NFKCU+0399 Ι
NFKDU+0399 Ι
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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+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
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Nearby in Mathematical Alphanumeric Symbols

All in block →
U+1D6AA𝚪Mathematical Bold Capital Gamma U+1D6AB𝚫Mathematical Bold Capital Delta U+1D6AC𝚬Mathematical Bold Capital Epsilon U+1D6AD𝚭Mathematical Bold Capital Zeta U+1D6AE𝚮Mathematical Bold Capital Eta U+1D6AF𝚯Mathematical Bold Capital Theta U+1D6B1𝚱Mathematical Bold Capital Kappa U+1D6B2𝚲Mathematical Bold Capital Lamda U+1D6B3𝚳Mathematical Bold Capital Mu U+1D6B4𝚴Mathematical Bold Capital Nu U+1D6B5𝚵Mathematical Bold Capital Xi U+1D6B6𝚶Mathematical Bold Capital Omicron