In Pound-Star Notation, Bi-astragol is equal to #*(10,10)*(10,10)*100. The name was coined by SuperJedi224. This number is approximately 1010308.

Approximations

Notation Lower bound Upper bound
Arrow notation \(959\uparrow966\uparrow103\) \(720\uparrow703\uparrow108\)
Down-arrow notation \(24\downarrow\downarrow224\) \(966\downarrow\downarrow104\)
Steinhaus-Moser Notation 141[3][3] 142[3][3]
Copy notation 7[7[308]] 8[8[308]]
H* function H(28H(101)) H(29H(101))
Taro's multivariable Ackermann function A(3,A(3,1021)) A(3,A(3,1022))
BEAF {959,{966,103}} {720,{703,108}}
Hyper-E notation E[24]223#2 E[966]103#2
Bashicu matrix system (0)(1)[31] (0)(1)[32]
Hyperfactorial array notation (169!)! (170!)!
Fast-growing hierarchy \(f_2(f_2(1014))\) \(f_2(f_2(1015))\)
Hardy hierarchy \(H_{\omega^22}(1014)\) \(H_{\omega^22}(1015)\)
Slow-growing hierarchy \(g_{\omega^{\omega^{\omega^23+7}8}}(10)\) \(g_{\omega^{\omega^{\omega^23+7}9}}(10)\)

Source

[1]

Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

Based on the Faxul

Googovipleccix family

Graham Sequence Numbers

-Illion numbers

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