3215031751

Appears in sequences

• Smallest odd composite number that requires n Miller-Rabin primality tests.at n=4A006945
• Smallest odd number for which Miller-Rabin primality test on bases <= n-th prime does not reveal compositeness.at n=3A014233
• Strong pseudoprimes to bases 2, 3 and 5, i.e., intersection of A001262, A020229, and A020231.at n=4A056915
• Strong pseudoprimes to bases 2, 3, 5 and 7.at n=0A074773
• Smallest n such that the least witness function W(n) = m, as m runs through the values in A089105.at n=6A089825
• Carmichael numbers congruent to 3 modulo 4.at n=21A185321
• a(A074773(n) mod 1519829 mod 18) = A074773(n), 1 <= n <= 18.at n=10A209834
• Twenty-seven smaller strong pseudoprimes to bases 2,3,5,7 arranged in order given by a function f:N->{1..27}.at n=24A210588
• Carmichael numbers that are not of the form x^2 + y^2 + z^2 where x, y and z are integers.at n=14A267462
• Odd composite numbers k such that A111076(k)^((k-1)/2) == -1 (mod k).at n=15A329538
• Carmichael numbers k such that the multiplicative order of 2 modulo k is odd.at n=7A367231