28307

Properties

Appears in sequences

• Sixth term of weak prime sextet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1).at n=9A054833
• Smaller term of closest safe prime pairs.at n=17A059323
• Smaller member of a twin prime pair with a triangular sum.at n=14A086816
• Primes of the form (2+n)*(1+2*n)+(1+n)*(2+2*n).at n=23A171748
• a(n) = prime(prime(n^2)).at n=20A217623
• Smaller of the two consecutive primes whose sum is a triangular number.at n=34A225077
• Primes p such that p^4 + p + 1 and p^4 - p - 1 are also prime.at n=20A236073
• Discriminants of imaginary quadratic fields with class number 37 (negated).at n=25A351675
• Indices of high points in A245340.at n=19A370959
• Prime numbersat n=3083