103991

Properties

Appears in sequences

• Primes p such that the differences between the 5 consecutive primes starting with p are (2,4,6,6).at n=9A078947
• Primes p such that p and p+2 are twin primes and also the strings 987654321p and 987654321p+2 are twin primes.at n=23A103818
• a(n) = prime(prime(n^2)).at n=34A217623
• Primes of the form p^2 + q^2 + 21, where p and q are consecutive primes.at n=28A229075
• a(n) is the least number that can be written in exactly n ways as p*q + q*r + p*r where (p,q,r) is an unordered triple of distinct primes.at n=45A356457
• Positions of records in A369054.at n=18A369063
• Prime numbersat n=9931