Glyph origin
A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ४ (4)), a cursive form of four lines (to represent the number four) arranged in the shape of a cross (resembling +). See 4 § Evolution of the Hindu-Arabic digit for more.
Symbol
4 (prev 3, next 5)
- The cardinal number four.
- A digit in the decimal system of numbering, and also in octal, and hexadecimal.
- (phonetics, often superscript) The pitch of a tone, either high or low depending on local convention (though not as high or low as 5, if '5' is also used).
- Synonyms: ˥, ˦, ˨, ˩, depending on other values
- (phonetics, Sinosphere, often superscript) The tone number 4, typically identified with light rising yang shang (陽上). May be identified with entering ru tone (入) if the yin–yang distinction is not made.
- Synonyms: ꜃, ꜆
Gallery
- Letter styles
Lining digit 4.
Oldstyle
4 in
Fraktur script.
The following are equivalent forms as digits:
The following are only equivalent as representations of the cardinal number:
See also
Other representations of 4: