Plus, 2+2 = 2\*2 = 2² = 2↑↑2 = 2↑↑↑2 I only knew the basic ones from this meme, ...

		Rendello 57 days ago \| parent \| context \| favorite \| on: Ask HN: What's your favorite number, and why? Plus, 2+2 = 2*2 = 2² = 2↑↑2 = 2↑↑↑2 I only knew the basic ones from this meme, but the hyperoperations are explained in the explanation video: https://www.youtube.com/watch?v=VEQOv61Gveg