This number is a prime.

Just showing those entries submitted by 'Loungrides': (Click here to show all)

+ The largest emirp with the minimum possible digital length that contains all of the straight digits only. [Loungrides]

+ The smallest mountain emirp formed by concatenating two double-digit primes. [Loungrides]

+ The start of the only occurrence of four consecutive primes, where each of them is a concatenation of two double-digit primes (1741, 1747, 1753, 1759). [Loungrides]

(There is one curio for this number that has not yet been approved by an editor.)

Printed from the PrimePages <primes.utm.edu> © G. L. Honaker and Chris K. Caldwell