The book is now available! 1163
(another Prime Pages' Curiosity)
Prime Curios!

Valid HTML 4.01!

Curios: Curios Search:
 

Participate:
Share
GIMPS has discovered a new largest known prime number: 282589933-1 (24,862,048 digits)

+ The smallest 4-digit prime that is the sum of 9 consecutive primes. [Russo]

+ Consider a n-by-n Ulam spiral of digits from the decimal expansion of pi. The sequence generated for the maximum number of distinct primes in the standard number search format (i.e., forward/backward along rows, columns, and diagonals) begins 1, 6, 16, 34, 44, ... (G. L. Honaker, Jr., 3/14/15 9:26:53.589...)

                                       5 1 4
*Note that in the 3-by-3 square, i.e., 9 3 1 , the sum of 16 distinct primes equals 1163.
                                       2 6 5

  To link to this page use /curios/page.php?number_id=8374



Prime Curios! © 2000-2019 (all rights reserved)  privacy statement   (This page was generated in 0.0230 seconds.)