Centifact is the mixed factorial of 100, written as 100*. The term was coined by SpongeTechX. [1]


The name of this number is based on Latin prefix "centi-" and the word "factorial".

Approximations in other notationsEdit

Notation Approximation
Bird's array notation \(\{100,101,97\}\)
BEAF \(\{100,101,97\}\)
Hyper-E notation \(E100\#\#97\)
Chained arrow notation \(100 \rightarrow 101 \rightarrow 97\)
Hyperfactorial array notation \(104!96\)
Nested Factorial Notation \(104![97]\)
Fast-growing hierarchy \(f_{98}(100)\)
Hardy hierarchy \(H_{\omega^{98}}(100)\)
Slow-growing hierarchy \(g_{\varphi(96,0)}(100)\)


  1. SpongeTechX's Googology World

See AlsoEdit

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