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Megafugagoogolplex is equal to googolplex↑↑googolplex using up-arrow notation[1]. It is equal to {googolplex,googolplex,2} in BEAF. It is equal to a power tower of a googolplex googolplexes, and it can be shown to fall between E(100+10100)#(1010100) and E(101+10100)#(1010100) in Hyper-E notation.[2] The name was formed by combining "googolplex" with the megafuga- prefix.

Unknown95387 calls this number hypergoogolplex.[3]

Approximation

Notation Approximation
Arrow notation \(\text{googolplex}\uparrow\uparrow\text{googolplex}\)
Fast-growing hierarchy \(f_3(\text{googolplex})\)
Hardy hierarchy \(H_{\omega^3}(\text{googolplex})\)
Slow-growing hierarchy \(g_{\varepsilon_0}(\text{googolplex})\)
Steinhaus-Moser Notation \((\text{googolplex}-1)[4]\) lower bound \(\text{googolplex}[4]\) upper bound
Strong array notation s(\text{googolplex},\text{googolplex},2)
Bowers Exploding Array Function \(\{ \text{googolplex}, \text{googolplex}, 2\}\)
Bird's array notation \(\{ \text{googolplex}, \text{googolplex}, 2\}\)
Hyperfactorial array notation \(\text{googolplex}!1\) lower bound \((\text{googolplex}+1)!1\) upper bound
Chained arrow notation \(\text{googolplex}\rightarrow\text{googolplex}\rightarrow 2\)

References

See also

Gar-: garone · gartwo · garthree · garfour · garfive · garsix · garseven · gareight · garnine · garten · garhundred · gargoogol · gartrialogue · gargoogolplex · gargiggol
Fz-: fzone · fztwo · fzthree · fzfour · fzfive · fzsix · fzseven · fzeight · fznine · fzten · fztwenty · fzhundred · fzthousand · fzmillion · fzgoogol · fzmilliplexion · fzgoogolplex · fzgargoogolplex · fzgargantugoogolplex · fzgiggol
Fuga-: fugaone · fugatwo · fugathree · fugafour · fugafive · fugasix · fugaseven · fugaeight · fuganine · fugaten · fugaeleven · fugahundred · fugagoogol · fugagoogolplex · fugagargoogolplex · fugagargantugoogolplex · fugagiggol
Megafuga-: megafugaone · megafugatwo · megafugathree · megafugafour · megafugafive · megafugasix · megafugaseven · megafugaeight · megafuganine · megafugaten · megafugaeleven · megafugatwelve · megafugathirteen · megafugafourteen · megafugafifteen · megafugasixteen · megafugaseventeen · megafugaeighteen · megafuganineteen · megafugatwenty · megafugathirty · megafugaforty · megafugafifty · megafugasixty · megafugaseventy · megafugaeighty · megafuganinety · megafugahundred · megafugagoogol · megafugagoogolplex · megafugagargoogolplex · megafugagargantugoogolplex
Booga-: boogaone · boogatwo · boogathree · boogafour · boogafive · boogasix · boogaten boogahundred · boogagoogol · boogagoogolplex
Gag: gagone · gagtwo · gagthree · gagfour · gagfive · gagsix · gagseven · gageight · gagnine · gagten · gaggoogol · gaggoogolplex

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