5

A West Arabic numeral, ultimately from Indic numerals (compare Devanagari ५). See 5 § Evolution of the Arabic digit for more.

5 (prev 4, next 6)

1. The cardinal number five.
2. A digit in the decimal system of numbering, as well as octal, and hexadecimal.
3. (phonetics, often superscript) the pitch of a tone, either high or low depending on local convention; '5' is most commonly the highest or lowest pitch (but see 6)

   Synonyms: ˥, ˩

4. (phonetics, Sinosphere, often superscript) tone number 5, typically identified with dark departing yin qu (陰去)

   Synonym: ꜄

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 5:

5 (plural 5s)

1. (sports, skateboarding, snowboarding, skiing) Clipping of 540. (540° spin)

五 (ng5, “five”) and 唔 (m4, “not”) are near homophones.

5

1. (Hong Kong Cantonese, leetspeak) alternative form of 唔 (m4, “not”)