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The undecimillillion is equal to \(10^{33,003}\), or \ \(10^{66,000}\) in the long scale. This term was coined by YouTuber Metsuka The Cute Princess 2007.[1]

Approximations[]

For short scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{33003}\)
Arrow notation \(10\uparrow33003\)
Chained arrow notation \(10\rightarrow33003\)
BEAF & Bird's array notation {10,33003}
Hyper-E notation E33003
Bashicu matrix system (0)(1)[3] (0)(1)[4]
H* function H(11,000)
Hardy hierarchy \(H_{\omega^22}(12)\) \(H_{\omega^22}(13)\)
Slow-growing hierarchy \(g_{\omega^{\omega^43+\omega^33+3}}(10)\)

Sources[]