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Heptaeltergathor is equal to E100(#^#^#^7)100(#^#^#^7)100(#^#^#^7)100 using Cascading-E Notation.[1] The term was coined by Sbiis Saibian.

Approximations[]

Notation Approximation
Bowers' Exploding Array Function {10,100 (0,0,0,0,0,0,0,1) 4}
Bird's array notation {10,100 [1,1,1,1,1,1,1,2] 4}
Strong array notation s(10,100{1,1,1,1,1,1,1,2}4)
Fast-growing hierarchy \(f_{\omega^{\omega^{\omega^7}}\times 3}(100)\)
Hardy hierarchy \(H_{\omega^{\omega^{\omega^{\omega^7}}\times 3}}(100)\)
Slow-growing hierarchy \(g_{\theta(\Omega^{\Omega^{\Omega^7}}\times 3)}(100)\)

Sources[]

  1. Saibian, Sbiis. 4.3.5 Cascading-E NumbersOne to Infinity. Retrieved 2016-09-09.
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