mersenneforum.org Take a look at the dial clock
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 2022-02-19, 22:50 #1 powolny17   Feb 2022 1 Posts Take a look at the dial clock Take a look at the dial clock By dropping the exceptional two prime numbers, i.e. 2 and 3 (I personally treat 1 as a prime number), then each prime number will be on the radius of 1 hour, 5 hours, 7 hours, 11 hours - 13 hours, 17 hours, 19 hours, 23 hours - 25 hours (not prime), 29 hours, 31 hours etc. This clock can be collapsed into a 6-hour dial. Then all primes except 2,3 are on radius 1 and 5. So every prime number is in the field 6n + -1. Of course, there are also non-prime numbers as shown above 25. But each, except 2 and 3 (I already wrote about 1), is on these rays. Interestingly, when you put this 6-hour dial so that 0 is on the x axis, the axes 1 and 5 have cos (angle) = 1/2 (angle = 60 degrees). As in non-trivial zeros in the Riemann theorem. Marcin (sorry, i can't speak english, i use the translator)

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