19001

This number is a prime.

Single Curio View: (Seek other curios for this number)

        A "Bemirpyramid" of length 18:

                 16819001081
                1110190011011
               109001900111081
              10188119001111991
             1000069190011198661
            100000091900110080961
           10000000019001108808801
          1000000000190011096011191
         180000000011900101810819901
        18000000001019001001888899001
       1800000008100190010001606068101
      180000000810001900100001161611891
     18000000081000019001000001669190061
    1800000008100000190010000001996886801
   180000000900000001900100000001601081801
  18000000086000000019001000000001890961611
 1900000009100000000190010000000001081108611
190000000960000000001900100000000001189198681

 Found by Metin Sariyar of Istanbul, Turkey.

Submitted: 2020-07-28 14:43:50; Last Modified: 2020-11-09 18:33:50.