23371
domain: N
Properties
Primality
- Prime
- yes
Appears in sequences
- Numbers k such that the period of the continued fraction for sqrt(k) contains exactly 94 ones.at n=30A031862
- n consecutive primes differ by 12 or more starting at a(n).at n=5A054696
- n consecutive primes differ by 12 or more starting at a(n).at n=6A054696
- n consecutive primes differ by 12 or more starting at a(n).at n=7A054696
- n consecutive primes differ by 12 or more starting at a(n).at n=8A054696
- 5 consecutive primes differ by 2n or more starting at a(n).at n=6A054699
- Primes from merging of 5 successive digits in decimal expansion of Zeta(2) or (Pi^2)/6.at n=12A105378
- Primes p such that q-p = 28, where q is the next prime after p.at n=19A124595
- Primes p such that (p + nextprime + p) and also (p + previousprime + p) are primes.at n=39A125146
- Number of base 31 circular n-digit numbers with adjacent digits differing by 5 or less.at n=4A125394
- Numbers k such that 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*(k+5)*p(k+6)-1 and 6*p(k)*p(k+1)*p(k+2)*p(k+3)*p(k+4)*(k+5)*p(k+6)+1 are twin primes with p(h) = h-th prime.at n=10A129313
- Expansion of 1/(x^k*(1-x-3*x^(k+1))) for k=8.at n=32A143459
- Ulam's spiral (SSE spoke).at n=38A143839
- Primes p such that p*floor(p/2)-2 and p*floor(p/2)+2 are also prime numbers.at n=30A164621
- Numbers with d digits (d>0) which have at least 2d distinct primes as substrings.at n=22A168167
- Primes with nine embedded primes.at n=9A179917
- a(n) = 137*n^2 - 4043*n + 27277.at n=1A267706
- Hyperartiads.at n=23A270798
- Smallest k such that A285481(k) >= n, i.e., lowest d where the smallest integer radius needed for a d-dimensional ball to have a volume >= 1 is at least n.at n=37A285482
- Discriminants of imaginary quadratic fields with class number 37 (negated).at n=21A351675