161561

Properties

Appears in sequences

• Least prime p(j) of 10 consecutive primes such that 2*p(k)+ 15015 is prime for k=j to j+9.at n=5A190793
• Emirps (A006567) whose difference with the reversal is a perfect square.at n=20A217386
• Primes q such that 15*q-4, 15*q-2, 15*q+2 and 15*q+4 are all primes.at n=36A342717
• Primes p such that p+2, p*(p+1)/2-2 and p*(p+1)/2+2 are also primes.at n=32A349336
• Primes p such that if q and r are the next two primes, 6*q-r, 6*q-p, 6*q+p and 6*q+r are all prime.at n=36A351636
• Prime numbersat n=14813