That is a pretty big number. I mean a google is only 10^100 So this is a google * google * google. I don't think you would need a bigger number for anything. The total numbers of atoms in the universe is less than one google.
Jon, I think your post being in numeric order as thrown a few folk. But I may be mistaken as I have only picked up this technique of you guys in the last 2 months.
My understanding which I believe you say is that the 9.9999.... will find the last numeric entry in a range, where as the max one will find the occurence of the largest value within the range. not the same.