Editing 4 (section)

{{Short description|Integer number 4}}
{{Hatnote|This article is about the number. For the years, see [[BC 4]] and [[4 AD]]. For other uses, see [[4 (disambiguation)]], [[IV (disambiguation)]] and [[Number Four (disambiguation)|Number 4]].}} {{distinguish|Cuatrillo}}
{{Use dmy dates|date=April 2022}} 
{{Infobox number
|number=4
|numeral=[[Quaternary numeral system|quaternary]]
|divisor=1, 2, 4
|roman={{ubl|IV ([[subtractive notation]])|IIII ([[additive notation]])}}
|greek prefix=[[wikt:tetra-|tetra-]]
|latin prefix=[[wikt:quadri-|quadri-]]/[[wikt:quadr-|quadr-]]
|lang1=[[Armenian numerals|Armenian]]|lang1 symbol=Դ|lang2=[[Eastern Arabic numerals|Arabic]], [[Central Kurdish|Kurdish]]
|lang2 symbol={{resize|150%|٤}}
|lang3=[[Persian language|Persian]], [[Sindhi language|Sindhi]]
|lang3 symbol={{resize|150%|{{lang|sd|۴}}}}
|lang4=[[Shahmukhi alphabet|Shahmukhi]], [[Urdu numerals|Urdu]]
|lang4 symbol={{resize|150%|{{lang|ur|{{nq|۴}}}}}}
|lang5=[[Ge'ez alphabet|Ge'ez]]
|lang5 symbol={{resize|150%|፬}}
|lang6=[[Bengali language|Bengali]], [[Assamese language|Assamese]]
|lang6 symbol={{resize|150%|৪}}
|lang7=[[Chinese numeral]]
|lang7 symbol=四，亖，肆
|lang9=[[Devanāgarī|Devanagari]]
|lang9 symbol={{resize|150%|४}}
|lang10=[[Santali language|Santali]]
|lang10 symbol={{resize|150%|᱔}}
|lang11=[[Telugu language|Telugu]]
|lang11 symbol={{resize|150%|౪}}
|lang12=[[Malayalam]]
|lang12 symbol={{resize|150%|൪}}
|lang13=[[Tamil language|Tamil]]
|lang13 symbol={{resize|150%|௪}}
|lang14=[[Hebrew (language)|Hebrew]]
|lang14 symbol={{resize|150%|ד}}
|lang15=[[Khmer numerals|Khmer]]
|lang15 symbol={{resize|150%|៤}}
|lang16=[[Thai numerals|Thai]]
|lang16 symbol={{resize|150%|๔}}
|lang17=[[Kannada language|Kannada]]
|lang17 symbol={{resize|150%|೪}}
|lang18=[[Burmese language|Burmese]]
|lang18 symbol={{resize|150%|၄}}
|lang19=[[Babylonian cuneiform numerals|Babylonian numeral]]|lang19 symbol=𒐘|lang20=[[Egyptian numerals|Egyptian hieroglyph]],  [[counting rods|Chinese counting rod]]|lang20 symbol={{!}}{{!}}{{!}}{{!}}|lang21=[[Maya numerals]]|lang21 symbol=••••|lang22=[[Morse code]]|lang22 symbol={{resize|150%|.... _}}}}
'''4''' ('''four''') is a [[number]], [[numeral (linguistics)|numeral]] and [[numerical digit|digit]]. It is the [[natural number]] following [[3]] and preceding [[5]]. It is a [[square number]], the smallest [[semiprime]] and [[composite number]], and is [[tetraphobia|considered unlucky]] in many East Asian cultures.