27241

Properties

Appears in sequences

• Primes with 17 as smallest positive primitive root.at n=25A061329
• Primes which yield a prime whenever a 1 is inserted anywhere in them (including at the beginning or end).at n=26A069246
• Primes n*A092961(n) + 1.at n=39A092963
• Numbers k such that 2^k - 3*k is prime.at n=13A094963
• Primes that indicate that the total frequency of every decimal digit in the set of all primes up to and including that prime is odd.at n=3A192448
• Primes p such that p = 361 + 420*k for some k.at n=26A217656
• Number of espalier polycubes of a given volume in dimension 3.at n=32A229915
• a(n) is the smallest integer that makes A230762(n) the commonest number of decompositions of 2k into an unordered sum of two odd primes, where 3 <= k <= a(n).at n=24A230822
• Primes of the form n^2 + 16.at n=28A243451
• Hyperartiads.at n=25A270798
• Primes that can be generated by the concatenation in base 4, in descending order, of two consecutive integers read in base 10.at n=16A287303
• Primes of the form (p*q+r*s)/2, where p,q,r,s are consecutive primes.at n=8A340307
• On a 2 X n grid of vertices, draw a circle through every unordered triple of non-collinear vertices: a(n) is the number of distinct points where circles intersect.at n=7A384701
• Prime numbersat n=2982