29347

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 6x + 7.at n=25A023289
• Sum(j=1,n,floor(A000041(j)/j)).at n=49A086736
• Primes p of the form : p+p^2+p^3-+8=prime.at n=27A154823
• Primes p such that 8*p^2-2*p-1 divides Fibonacci(p).at n=25A159231
• Smallest number such that the next n integers each have the square of one of the first n primes as a factor in order.at n=2A182433
• Numbers n such that n!8 + 2 is prime.at n=51A204663
• Main diagonal of array A255551.at n=30A255550
• Primes p such that 2*p + 1 is abundant.at n=33A267476
• Numbers k such that (22*10^k + 257)/9 is prime.at n=18A294990
• Yarborough primes that remain Yarborough primes when each of their digits are replaced by their cubes.at n=43A296563
• Length of commas sequence (cf. A121805) if start at 1 and do the calculations in base n; or -1 if the sequence is infinite.at n=9A367604
• Primes which satisfy the requirements of A380943 in more than one way.at n=11A383810
• Primes which satisfy the requirements of A380943 in exactly two ways.at n=10A383811
• Prime numbersat n=3189