6212361

Appears in sequences

• Pseudoprimes k to base 2 such that k-2 and k+2 are primes.at n=5A057942
• Pseudoprimes n to base 2 such that n-4, n-2 and n+2 are primes.at n=2A228575
• Pseudoprimes n to base 2 such that n-2 and n-4 are primes.at n=9A230488
• Sarrus numbers (A001567) that are the average of two consecutive primes.at n=30A265684