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quuxplusone • 01/21/2025 • 2 replies • view on HN

A few other memorable primes:

https://math.stackexchange.com/questions/2420488/what-is-tri...

    888888888888888888888888888888
    888888888888888888888888888888
    888888888888888888888888888888
    888111111111111111111111111888
    888111111111111111111111111888
    888111111811111111118111111888
    888111118811111111118811111888
    888111188811111111118881111888
    888111188811111111118881111888
    888111888811111111118888111888
    888111888881111111188888111888
    888111888888111111888888111888
    888111888888888888888888111888
    888111888888888888888888111888
    888111888888888888888888111888
    888811188888888888888881118888
    188811188888888888888881118881
    188881118888888888888811188881
    118888111888888888888111888811
    111888811118888888811118888111
    111188881111111111111188881111
    111118888111111111111888811111
    111111888811111111118888111111
    111111188881111111188881111111
    111111118888811118888811111111
    111111111888881188888111111111
    111111111118888888811111111111
    111111111111888888111111111111
    111111111111118811111111111111
    111111111111111111111111111111
    062100000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000000
    000000000000000000000000000001
https://codegolf.stackexchange.com/questions/146017/output-t...

    777777777777777777777777777777777777777
    777777777777777777777777777777777777777
    777777777777777777777777777777777777777
    777777777777777777777777777777777777777
    111111111111111111111111111111111111111
    111111111111111111111111111111111111111
    188888888118888888811188888811188888811
    188111118818811111881881111881881111881
    188111118818811111881881111111881111111
    188888888118888888811881111111881118888
    188111111118811111111881111111881111881
    188111111118811111111881111881881111881
    188111111118811111111188888811188888811
    111111111111111111111111111111111111111
    111111111111111111111111111111111111111
    333333333333333333333333333333333333333
https://www.reddit.com/r/math/comments/a9544e/merry_christma...

    20181111111111111111111111111111111111
    11111111111111111166111111111111111111
    11111111111111111868011111111111111111
    11111111111111118886301111111111111111
    11111111111111168863586111111111111111
    11111111111111803608088361111111111111
    11111111111193386838898668111111111111
    11111111111111163508800111111111111111
    11111111111111806560885611111111111111
    11111111111118630808083861111111111111
    11111111111585688085086853511111111111
    11111111116355560388530533881111111111
    11111111506383308388080803858311111111
    11111183585588536538563360080880111111
    11111111111118383588055585111111111111
    11111111111568838588536853611111111111
    11111111118830583888838553631111111111
    11111111808885338530655586888811111111
    11111183886860888066566368806366111111
    11115385585036885386888980683008381111
    11055880566883886086806355803583885511
    11111111111111111685311111111111111111
    11111111111111111863311111111111111111
    11111111111111111035611111111111111111

Replies

jmward01 • 01/21/2025

These are great! I wonder if Carl Sagan knew about them when writing Contact. The movie doesn't go into the part of the book that is relevant here (trying to avoid spoilers but if you read the book you know!)

➕ show 1 reply
noman-land • 01/22/2025

These are so cool.