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The octogintimillillion (also called octimyrillion) is equal to \(10^{240,003}\). This term was coined by YouTuber Metsuka The Cute Princess 2007.[1]

Approximations[]

For short scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{240003}\)
Arrow notation \(10\uparrow240003\)
Chained arrow notation \(10\rightarrow240003\)
BEAF & Bird's array notation {10,240003}
Hyper-E notation E240003
H* function H(80,000)
Slow-growing hierarchy \(g_{\omega^{\omega^52+\omega^44+3}}(10)\)

Sources[]