3913003

Appears in sequences

• Odd composites with increasing proportion of nontrivial non-witnesses of compositeness by the Miller-Rabin primality test.at n=24A090659
• Record values in A265388.at n=44A265395
• Odd composite numbers k for which the number of witnesses for strong pseudoprimality of k equals phi(k)/4, where phi is the Euler totient function (A000010).at n=27A329759
• Triangular numbers that are emirpimes.at n=34A375385