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cenoctotillion or octocentillion is equal to 10327 in America or 10648 in France and Germany.

Aarex Tiaokhiao gave the name cennillion, referring to the value of this number.[1]

ApproximationsEdit

For short scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{327}\)
Arrow notation \(10\uparrow327\)
Steinhaus-Moser Notation 150[3] 151[3]
Copy notation 9[327] 10[164]
Taro's multivariable Ackermann function A(3,1083) A(3,1084)
Pound-Star Notation #*((4375))*11 #*((4376))*11
BEAF {10,327}
Hyper-E notation E327
Bashicu matrix system (0)(0)(0)(0)(0)(0)(0)[358] (0)(0)(0)(0)(0)(0)(0)[359]
Hyperfactorial array notation 178! 179!
Fast-growing hierarchy \(f_2(1076)\) \(f_2(1077)\)
Hardy hierarchy \(H_{\omega^2}(1076)\) \(H_{\omega^2}(1077)\)
Slow-growing hierarchy \(g_{\omega^{\omega^23+\omega2+7}}(10)\)

For long scale:

Notation Lower bound Upper bound
Scientific notation \(1\times10^{648}\)
Arrow notation \(10\uparrow648\)
Steinhaus-Moser Notation 267[3] 268[3]
Copy notation 9[648] 1[649]
Taro's multivariable Ackermann function A(3,2149) A(3,2150)
Pound-Star Notation #*((5258))*15 #*((5259))*15
BEAF {10,648}
Hyper-E notation E648
Bashicu matrix system (0)(1)[8] (0)(1)[9]
Hyperfactorial array notation 313! 314!
Fast-growing hierarchy \(f_2(2141)\) \(f_2(2142)\)
Hardy hierarchy \(H_{\omega^2}(2141)\) \(H_{\omega^2}(2142)\)
Slow-growing hierarchy \(g_{\omega^{\omega^26+\omega4+8}}(10)\)

Sources Edit

  1. Aarex Tiaokhiao's illion numbers