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11664RE: [PrimeNumbers] Re: Isomorphic Numbers

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  • Jon Perry
    Mar 4, 2003
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      Another challenge is to find to max. number of primes.

      rl8;
      ? for (n=10000,50000,x=test(n,8);if (!x[1] && x[2]>0,print1(n":"x[2]", ")))
      12106:2, 12775:2, 13069:2, 15869:3, 15870:3, 16064:1, 16189:2, 16268:1,
      17409:1,
      17920:2, 17924:2, 18344:5, 18411:2, 18416:1, 18552:1, 19466:1, 21715:2,
      21806:1
      , 22820:1, 24689:1, 25956:1, 26113:2, 26865:1, 27304:3, 28479:3, 28480:2,
      28481:
      1, 29709:1, 29931:1, 31614:1, 31725:1, 34035:1, 34410:1, 34805:1, 35091:1,
      35359
      :2, 36204:1, 36205:2, 36633:2, 36634:3, 36716:1, 36784:2, 37520:1, 38829:1,
      3924
      7:2, 39296:1, 39759:1, 39760:2, 39935:2, 40403:3, 40404:3, 40748:1, 42866:1,
      434
      05:2, 43829:1, 45192:1, 46362:1, 47678:1, 48019:3, 48315:1, 49484:1,
      49755:1, 49
      789:2, 49790:1, 49953:1,

      So 18344:5 is the current record.

      Jon Perry
      perry@...
      http://www.users.globalnet.co.uk/~perry/maths/
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