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The pentadecal is equal to {10,10,10,10,10} (10 uzodecodecated to 10) in BEAF[1] or 10 bi-rowexponentiated to the fifth, using the array of operator. The term was coined by Jonathan Bowers.

Pentadecal is comparable to $$f_{\omega^3}(10)$$ in the fast-growing hierarchy.

### EtymologyEdit

The name of this number is based on the words "penta-" (greek: five) and "decal-" (greek: ten), meaning that there are 5 10's in the array.

### Sources Edit

1. Template:Citation/CS1