61559

Properties

Appears in sequences

• Smallest member of a pair of consecutive twin prime pairs that have exactly n primes between them.at n=34A089637
• Least prime p such that sigma(x)=sigma(p) has exactly n solutions.at n=36A115374
• Duplicate of A089637.at n=34A181981
• Prime factors of Giuga numbers A007850 with 8 or fewer prime divisors.at n=22A216823
• Table whose n-th row lists the prime factors of the n-th Giuga number A007850(n).at n=47A236434
• Primes that can be generated by the concatenation in base 8, in descending order, of two consecutive integers read in base 10.at n=20A287311
• Number of bicolored trees on n unlabeled nodes such that black nodes are not adjacent to each other and every white node is adjacent to a black node.at n=14A339837
• Primes p such that p+2, (p^2-1)/2+p and (p^2+3)/2+3*p are also prime.at n=16A352948
• Prime numbersat n=6193