91121
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Primes p = prime(k) such that prime(k) + prime(k+7) = prime(k+1) + prime(k+6) = prime(k+2) + prime(k+5) = prime(k+3) + prime(k+4).at n=19A064102
- Non-twin primes that are at least doubly lonely.at n=3A069456
- Numbers k such that [A070080(k), A070081(k), A070082(k)] is a right integer triangle with relatively prime side lengths.at n=16A070137
- a(0)=113, then a(n) = smallest prime p not already used such that the first three digits of p = the last three digits of a(n-1).at n=20A175687
- Emirps with a single 2 as the only prime digit.at n=34A179033
- Primes of the form k^3 - 4.at n=8A201309
- Primes of the form 5*k^2 - 4.at n=29A201786
- Prime(k) such that each of the three preceding and also each of the three following primes are twin primes.at n=10A227323
- Prime numbersat n=8810