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U+2165 · Letter number

Roman Numeral Six Symbol Ⅵ

Ⅵ is roman numeral six, U+2165. Unicode records it as a compatibility form of VI (compat form). It was added in Unicode 1.1, and Unicode files it under Letter number.

Codes & technical data

UnicodeU+2165
HTML hexⅥ
HTML decimalⅥ
CSS\2165
JavaScript\u{2165}
Python\U00002165
Java / C#\u2165
Rust\u{2165}
Swift\u{2165}
PHP\u{2165}
URL encoded%E2%85%A5
UTF-8 bytesE2 85 A5
UTF-16 bytes2165
Base644oWl
Decimal8549
Decomposes toVI (compat form)
Numeric value6
CategoryLetter number (Nl)
IntroducedUnicode 1.1

Will Ⅵ survive being pasted?

  • Normalisation. No. Anything that applies NFKC — search indexes, usernames, domain names, programming identifiers — rewrites Ⅵ as VI. Safe for display, not for storage.
  • Legacy encodings. Ⅵ is Unicode-only — it has no Latin-1 equivalent, so a system stuck on an 8-bit encoding cannot represent it.
  • Size. 3 bytes in UTF-8. Character-limited fields — SMS, bios, some form validators — usually count bytes, not characters.

Other six characters

Unicode names 10 characters ending in “six”. They differ by direction, weight or decoration rather than by meaning.

Nearby in Number Forms

Roman numerals as single characters, and the vulgar fractions beyond the three Latin-1 supplies. A Roman numeral here is one character, not a run of letters, so Ⅷ and VIII sort and search differently.

All 58 characters in Number Forms →

How to type Ⅵ

WindowsType 2165 then press Alt+X
macOSPress Ctrl+Cmd+Space, then search for “roman numeral six”
LinuxPress Ctrl+Shift+U, type 2165, press Enter
HTMLⅥ

About Unicode’s Letter number category

This is a letter number: a character that looks like a letter but carries a numeric value, the way Roman numerals do.

Frequently asked questions

How do I type the Ⅵ roman numeral six symbol?
On Windows, type 2165 and press Alt+X. On Linux press Ctrl+Shift+U then 2165. On any system the quickest route is the copy button on this page.
What is the code for Ⅵ?
Roman Numeral Six is U+2165. In UTF-8 it takes 3 bytes. The table above lists every escape format.
Will Ⅵ survive being pasted anywhere?
Not always. Roman Numeral Six is a compatibility character: any system that applies Unicode NFKC normalisation — search indexes, usernames, identifiers — replaces it with VI. Use it for display, not where text is normalised.