69197

Properties

Appears in sequences

• Primes arising as the 10's complement of A109862(n).at n=18A109863
• Integers k such that 2^(k-1) == 1 (mod k) and 2^(m-1) == 1 (mod m), where m = k*(A000265(k-1) - 1) + 1 and A000265 gives the odd part of its argument.at n=32A187849
• Primes of the form 8n^2 + 5.at n=23A201612
• Primes p such that 11*p is the concatenation of an emirp and its reverse.at n=12A345905
• Number of integer partitions of n with non-biquanimous multiplicities.at n=46A371840
• Difference 2*k - A003961(k) computed for k for which this difference divides difference (A003961(k)-sigma(k)), where A003961 is fully multiplicative with a(prime(i)) = prime(i+1).at n=49A379216
• Prime numbersat n=6872