Milli-ducentillion is equal to 103,603. It is defined using generalizations of Jonathan Bowers -illion system.[1] It is 3,604 digits long.


Notation Lower bound Upper bound
Scientific notation \(1\times10^{3603}\)
Arrow notation \(10\uparrow3603\)
Chained arrow notation \(10\rightarrow3603\)
Steinhaus-Moser Notation 1173[3] 1174[3]
Copy notation 9[3603] 1[3604]
Taro's multivariable Ackermann function A(3,11965) A(3,11966)
BEAF & Bird's array notation {10,3603}
Hyper-E notation E3603
H* function H(1200)
Bashicu matrix system (0)(1)[3] (0)(1)[4]
Hyperfactorial array notation 1336! 1337!
Fast-growing hierarchy \(f_2(11955)\) \(f_2(11956)\)
Hardy hierarchy \(H_{\omega^2}(11955)\) \(H_{\omega^2}(11956)\)
Slow-growing hierarchy \(g_{\omega^{\omega^33+\omega^26+3}}(10)\)


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