
Curios:
Curios Search:
Participate: 
The reversal of 2^{70} is prime. [Somer] The prime formed from the reversal of 2^{70} has a digit sum of 70. [Patterson] Any composite number n has a witness (i.e., does not pass Miller's test) less than 70(ln n)^2 if the Riemann hypothesis is true. All the primes in the 70's are emirps. [Green]
(There is one curio for this number that has not yet been approved by an editor.)
Prime Curios! © 20002018 (all rights
reserved)
