Pentation

Pentation is the 5th hyperoperation,^[1] and the first one is addition. Pentation is just repeated tetration, but it producesextremely large unimaginable numbers, a simple 2 ↑↑↑ 3 (or often displayed as ₂2) is equal to 65,536.Another example is 3 ↑↑↑ 2. It is equal to 7,625,597,484,987 (7.625 Trillions, this number is known as a Tritri)

Pentation is calculated like this:2 ↑↑↑ 3 = ²²2 = ⁴2 = 2^2^2^2 = 65,536