And this is just the kind of trivia my brain will want to store, which means that some potentially life-saving tidbit will now be overwritten. Thank you, Fermat.
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I gained the ability to recite the first 30 decimals of Pi from memory, at the expense of not being able to remember any new names. Worth it? Totally! ... ... ...not.
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And, what is the practical application of this?
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does everything need a practical application?
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There is no better prime than 2, change my mind !!
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Define the map "better" over the domain of primes.
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Now I wonder if any (contiguous) subset of that number ia also prime...
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Yes, 43.
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In Mathematica: Sum[i*100^(i-1), {i,10,82}]/10^9 + Sum[i*10^(i-1), {i,9}] In JS, using Horner's rule: function doit() { var p = 0n; for (n = 82n; n > 0; --n) { p *= (n < 10) ? 10n : 100n; p += n; } return p; }
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In picolisp :) (let P 0 (for N (range 82 1) (setq P (* P (if (< N 10) 10 100))) (setq P (+ P N))) P)
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