80147

Properties

Appears in sequences

• a(n) is the smallest lesser of twin prime p, such that prime(2 + p) - prime(p) = 2n (cf. A096474).at n=34A096475
• Lesser of twin primes p1 such that p1*p2-4 and p1*p2-6 are twin prime numbers.at n=29A174957
• Primes of the form 7n^2 + 4.at n=26A201605
• a(n+1) is the smallest prime > a(n) such that the digits of a(n) are all (with multiplicity) contained in the digits of a(n+1), with a(1)=7.at n=16A242907
• Prime numbersat n=7846