Text style	Emoji style
6︎	6️
Text style is forced with ⟨︎⟩ and emoji style with ⟨️⟩.
6 U+0036, 6 DIGIT SIX ← 5 [U+0035] Basic Latin 7 → [U+0037]

Character variations

⁶ U+2076, ⁶ SUPERSCRIPT SIX ← ⁵ [U+2075] Superscripts and Subscripts ⁷ → [U+2077]

₆ U+2086, ₆ SUBSCRIPT SIX ← ₅ [U+2085] Superscripts and Subscripts ₇ → [U+2087]

６ U+FF16, ６ FULLWIDTH DIGIT SIX ← ５ [U+FF15] Halfwidth and Fullwidth Forms ７ → [U+FF17]

𜳶 U+1CCF6, 𜳶 OUTLINED DIGIT SIX ← 𜳵 [U+1CCF5] Symbols for Legacy Computing Supplement 𜳷 → [U+1CCF7]

𝟼 U+1D7FC, 𝟼 MATHEMATICAL MONOSPACE DIGIT SIX ← 𝟻 [U+1D7FB] Mathematical Alphanumeric Symbols 𝟽 → [U+1D7FD]

🯶 U+1FBF6, 🯶 SEGMENTED DIGIT SIX ← 🯵 [U+1FBF5] Symbols for Legacy Computing 🯷 → [U+1FBF7]

English Wikipedia has an article on:

6

Wikipedia

A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ६ (6)). See 6 § Evolution of the Hindu-Arabic digit for more.

6 (prev 5, next 7)

1. The cardinal number six.
2. A digit in the decimal system of numbering, as well as octal, and hexadecimal.
3. (music, superscript) an indicator that a triad is in first inversion.
4. (phonetics, often superscript) the pitch of a tone that is more extreme than 5; it will be higher or lower depending on local convention.
5. (phonetics, Sinosphere, often superscript) tone number 6, typically identified with light departing yang qu (陽去).

   Synonym: ꜅

• Letter styles
• 
  Lining digit 6.
• 
  Oldstyle 6 in Fraktur script.

The following are equivalent forms as digits:

The following are only equivalent as representations of the cardinal number:

• (Arabic digits): 0 1 2 3 4 5 6 7 8 9

Other representations of 6:

6 (plural 6s)

1. MI6; the agency or a particular agent.

6

1. (text messaging, slang) r (= sei, second-person singular)

   dv 6? ― where r you?