Notation[]
Asterisk System[]
x*y=x multiplied by y
x**y=x*x*..*x*x with y-1 asterisks
x***y=x**x**..**x**x with y-1 double asterisks
x****y=x***x***..***x***x with y-1 triple asterisks
x(*+)y=x**..**y with y y-asterisks
x(*++)y=x(*+)x(*+)..(*+)x(*+)x with y-1 (*+)s
x(**+)y=x(*++..++)y with y plus signs
x(**++)y=x(**+)x(**+)..(**+)x(**+)x with y (**+)s
x(***+)y=x(**++..++)y with y plus signs
x(****+)y=x(***++..++)y with y plus signs
Hashtag System[]
x(#)y=x(#1)y=x(**..**++..++)y with y asterisks and plus signs
x(#y)z=x(#y-1)x(#y-1)..(#y-1)x(#y-1)x with z-1 (#y-1)s
x(##)y=x(##1)y=x(#y)y
x(##y)z=x(##y-1)x(##y-1)..(##y-1)x(##y-1)x with z (##y-1)s
x(###)y=x(##y)y
x(#+)y=x(#+1)y=x(##..##)y with y hashtags
x(#++)y=x(#++)y=x(#+y)y
x(#*)y=x(#++..++)y with y plus signs
x(#*+)y=x(#**..**)y with y asterisks
Slash System [unfin.][]
x/y=x(##..##**..**++..++) with y
x//y=x/x/../x/x with y-1 backslashes
x///y=x//x//..//x//x with y-1 double backslashes
x/,y=x(//..//)x(//..//)..(//..//)x(//..//)x with y-1 y-uple backslashes
Numbers/Misc. (Continue from googology wiki)[]
Class 21 (Ω-Ω*(10^100))[]
Absolute Infinity: Ω
Decfinity: Ω*10
Cefinity: Ω*100
Millinity: Ω*1000
Myrinity: Ω*10000
Lakinity: Ω*100000
Meginity: Ω*1000000
Gubinity: Ω*1048576
Crorinity: Ω*10000000
Yinity: Ω*100000000
Gifinity: Ω*(10^9)
Govinity: Ω*(16^8)
Delinity: Ω*(10^10)
Indintity: Ω*(10^11)
Terinity: Ω*(10^12)
Meftrinity: Ω*(3^27)
Peninity: Ω*(10^15)
Entinity: Ω*(10^18)
Gulinity: Ω*(10^20)
Zetinity: Ω*(10^21)
Yofinity: Ω*(10^24)
Roninity: Ω*(10^27)
Quecinity: Ω*(10^30)
Decilinity: Ω*(10^33)
Undecilinity: Ω*(10^36)
Duodecilinity: Ω*(10^39)
Tredecilinity: Ω*(10^42)
Quattuordecilinity: Ω*(10^45)
Quindecilinity: Ω*(10^48)
Fivinity: Ω*(10^50)
Sexdecilinity: Ω*(10^51)
Septendecilinity: Ω*(10^54)
Octodecilinity: Ω*(10^57)
Novemdecilinity: Ω*(10^60)
Viginilinity: Ω*(10^63)
Ogolinity: Ω*(10^80)
Triginilinity: Ω*(10^93)
Googolinity: Ω*(10^100)
Class 23 (Ω*(10^123)-Ω*(10^10^10^34) [unfin.][]
Quadragintilinity: Ω*(10^123)
Quinquagintilinity: Ω*(10^153)
Sexagintilinity: Ω*(10^183)
Gargoogolinity: Ω*(10^200)
Septuagintilinity: Ω*(10^213)
Octogintilinity: Ω*(10^243)
Nonagintilinity: Ω*(10^273)
Centilinity: Ω*(10^303)
Googlenity: Ω*(16^256)
Googoldininity: Ω*(10^500)
Ducentilinity: Ω*(10^603)
History[]
December 5, 2022: Class 22 finished