The prime wells on a torus

φ = log₂(n) / 7 · wraps around the hole
θ = depth k / 7 · goes through the tube
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p = 2

p = 3

p = 5

p = 7

p = 11

p = 13

composite

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each prime p traces
a helix on the torus

01 / 11CINEMATIC TOUR

The geometry appears

The horn torus is drawn from latitude and meridian curves.

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