How do you call / is there any specific name for the following:
x^^y
e.g.:
- 2^^2 = 2^2
- 3^^3 = 3^3^3
- 4^^4 = 4^4^4^4
- ...
2026-03-25 06:22:13.1774419733
What is the name for this: "x^^y" (as in 2^^2=2^2 and 3^^3=3^3^3 and so on)
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This is known as tetration, where $^na$ is $a^{a^{a^{...}}}$ with $n$ copies of $a$ in the exponentiation. You might also seen it written as $a \uparrow \uparrow n$.
To learn more about these kinds of compound arithmetic operators, I recommend reading about Knuth's up-arrow notation.