156157

Properties

Appears in sequences

• Primes formed by concatenating n with n+1.at n=21A030458
• Primes whose decimal expansion is a concatenation of two or more consecutive increasing numbers (no leading zeros allowed).at n=22A052087
• Primes p such that (r-p)/log(p) > 5, where r is the next prime after p.at n=21A082890
• prime(k) for those k where floor((2*(prime(k+1)-prime(k))*PrimePi(k) mod (8*k))/k) = m with m = 14.at n=14A109568
• Primes p such that q-p = 60, where q is the next prime after p.at n=6A126771
• Primes formed by concatenating k with k+1, where k+1 is a prime.at n=12A134428
• a(n) is the smallest prime q such that (r-q)/(q-p) = n, where p<q<r are consecutive primes (or 0 if no such prime exists).at n=9A179210
• Centered 11-gonal (or hendecagonal) primes.at n=26A262344
• Records in A179210.at n=4A278574
• Least prime q such that (q-p)/(r-q), where p<q<r are three consecutive primes, produces a new ratio <= 1, arranged by Farey fractions A038566/A038567.at n=28A279066
• Primes formed from the concatenation of n and nextprime(n).at n=37A280376
• Prime numbersat n=14372