68947
domain: N
Properties
Primality
- Prime
- yes
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=24A054833
- Seventh term of weak prime septet: p(m-5)-p(m-6) < 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=3A054840
- Primes of the form f(k) = 9*k^6 - 804*k^5 + 29836*k^4 - 588615*k^3 + 6509950*k^2 - 38263500*k + 93363947 for values of k >= 0.at n=10A117624
- Primes of the form x^3 + y^3 - 1, where x and y are primes.at n=15A217718
- Primes of the form 25*n^2 + 25*n + 47.at n=36A281437
- The five digits of a(n) and their four successive absolute first differences are all distinct.at n=44A365257
- a(n) = Sum_{i=1..q-1} d(i)^i where d(i) are the q sorted divisors of A376222(n).at n=9A376223
- Prime numbersat n=6852