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Petanossol is equal to \( \lbrace 10,10 (15) 2 \rbrace \) in BEAF.[1]

Pentadekeract.gif

Approximations

Notation Approximation
Bird's array notation \(\{10,100 [16] 2\}\)
Cascading-E notation \(\textrm E100\#\text{^}\#\text{^}\#15\)
Fast-growing hierarchy \(f_{\omega^{\omega^{15}}}(100))\)
Hardy hierarchy \(H_{\omega^{\omega^{\omega^{15}}}}(100)\)
Slow-growing hierarchy \(g_{\vartheta(\Omega^{\Omega^{15}})}(100)\)

Sources

See also

Jonathan Bowers' colossol series

Tritri series: tritri · dutritri · dimentri
Xappol series: xappol · xappolplex · grand xappol
Colossol series: colossol(plex) · terossol(plex) · petossol(plex) · ectossol(plex) · zettossol(plex) · yottossol(plex) · xennossol(plex)
Dimendecal series: dimendecal · gongulus(plex/duplex/triplex/quadraplex)
Saibian's extensions: goxxol · coloxxol · teroxxol · petoxxol · ectoxxol · zettoxxol · yottoxxol · xennoxxol · dimendoxxol
Tiaokhiao's extensions: killanossol · meganossol · giganossol · teranossol · petanossol · vamossol

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