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Megafugaeight is equal to \(8\uparrow\uparrow8\) or 8 tetrated to 8 or 8 pentated to 2.[1] It is approximately equal to \(E15,151,336\#6\) in Hyper-E notation.

The name is formed by adding the megafuga- prefix to 8.

Approximations in other notations

Scientific notation \(10^{10^{10^{10^{10^{5.431653 \times 10^{15,151,335}}}}}}\)
Up-arrow notation \(8 \uparrow\uparrow 8\), \(8 \uparrow\uparrow\uparrow 2\) (both exact)
BEAF \(\{8,8,2\}\), \(\{8,2,3\}\) (both exact)
Hyper-E notation \(E(8)1\#8\) (exact)
Fast-growing hierarchy \(f^{7}_{2}(21)\)
Slow-growing hierarchy \(g_{\varepsilon_{0}}(8)\) (exact)
Hardy hierarchy \(H_{\omega^{2}7}(21)\)

Sources

  1. Saibian, Sbiis. The Fz, The Fuga & The Megafuga. Retrieved 2017-03-10.

See also

Numbers named with the fuga- family of prefixes

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 · fzeleven · fztwelve · fzthirteen · fzfourteen · fzfifteen · fzsixteen · fzseventeen · fzeighteen · fznineteen · fztwenty · fzthirty · fzforty · fzfifty · fzsixty · fzseventy · fzeighty · fzninety · fzhundred · fzgoogol · fzmillion · fzmilliplexion · fzgoogolplex · fzgargoogolplex · fzgargantugoogolplex · fzgiggol
Fuga-: fugaone · fugatwo · fugathree · fugafour · fugafive · fugasix · fugaseven · fugaeight · fuganine · fugaten · 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 · boogaseven · boogaeight · booganine · boogaten · boogahundred · boogagoogol · boogagoogolplex
Gag: gagone · gagtwo · gagthree · gagfour · gagfive · gagsix · gagseven · gageight · gagnine · gagten · gaghundred · gaggoogol · gaggoogolplex