
Curios:
Curios Search:
Participate: 
Just showing those entries submitted by 'Broadhurst': (Click here to show all) Let R(n)=(10^n1)/9. As of December 2003,34*R(36400)42000040044444004000024*10^2264*R(36400)/R(4550)1 was the largest known palindromic prime, all of whose decimal digits are prime. Its formula and proof are described in PrimeForm. [Broadhurst]
Prime Curios! © 20002018 (all rights
reserved)
privacy statement
