Mouffles Monster (so named by Sbiis Saibian) is cgG64(G64).[1] It is the 20th record setting entry in the "My number is bigger!" competition.[2] It is defined using the cg(x) function defined by Conway and Guy using chained arrow notation:

cg(1) = 1
cg(2) = 2-->2
cg(3) = 3-->3-->3
and in general
cg(n) = n-->n-->n--> ... ... -->n-->n-->n w/n n's

Mouffles Monster = cgGraham's Number(Graham's Number) - the exponent indicates iteration of the cg function.

See alsoEdit


  1. Sbiis Saibian, Ultimate Large Numbers List Part II
  2. xkcd forums - My number is bigger!

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