Using the H* function, Exi-hyperhypillion is equal to H*(16,16,16,16,16,16,16,16,16,16,16,16,16,16,16,16). In the Extended H* Function, this can be written as H*2(16,1). The name was coined by SuperJedi224.[1]

Notation Approximation
Up-arrow notation \(16 \uparrow^{17} 16\)
Hyper-E notation \(E51\#\#17\)
Hyperfactorial array notation \(16!16\)
Fast-growing hierarchy \(f_{18}(16)\)
Hardy hierarchy \(H_{\omega^{18}}(16)\)
Slow-growing hierarchy \(g_{\varphi(16,0)}(16)\)


  1. -Illions - Almost Infinite
Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

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