The Grand Hyperduillion (coined by SuperJedi224) is equal to H*(10,10,2) using the H* function.

It can be equivalently defined as follows:

Let H(x)=103x+3.

Let n0=10 and nx+1=H(H(...H(10)...))) with nx Hs.

Grand Hyperduillion=nn10.

Source: [1]

Notation Approximation
Up-arrow notation 11\uparrow\uparrow\uparrow\uparrow3
Hyper-E notation E33\#10\#10\#2
Fast-growing hierarchy f_{4}(f_{4}(11))
Hardy hierarchy H_{\omega^{4}*2}(11)
Numbers By SuperJedi224

Fibonacci Numbers

Pound-Star Notation

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