← The Shape of the Primes
Prime Spiral
n → angle = n radians · radius = √n
n =
–
primes =
–
density =
–
●
prime
·
composite
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Why spiral arms?
44 radians is almost exactly 7 full turns, so numbers 44 apart nearly line up. Every integer does this: the arms are geometry. Primes can only sit on the 20 arms whose remainder shares no factor with 44, so the other 24 stay dark.