4 - Wiktionary, the free dictionary
https://en.m.wiktionary.org/wiki/4
WebSep 18, 2023 · 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
DA: 95 PA: 71 MOZ Rank: 40