Grand Hyperduillion

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: 
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