33757

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 6x + 7.at n=27A023289
• Concatenation of n^3 and 7.at n=14A061679
• Primes having only {3, 5, 7} as digits.at n=32A087363
• Partial sums of the Fermat pseudoprimes to base 2, A001567.at n=14A172255
• G.f.: (1-2*x^2)/(1-2*x-5*x^2+9*x^3).at n=11A200862
• Primes of the form 10n^3+7.at n=7A201305
• Primes of the form 6n^2 + 7.at n=31A201601
• Number of solutions to rev(x^2) = rev(x)^2 with at most n digits, where the function rev(x) reverses the digits of x.at n=11A225301
• Primes which become palindromic primes when the digits are rotated once to the left.at n=21A234912
• Primes p for which there are exactly as many primes in the range [p^2, p*nextprime(p)] as there are in the range [p*nextprime(p), nextprime(p)^2], where nextprime(p) gives the next prime after prime p.at n=35A256472
• Numbers k such that k*(k+1) divides tribonacci(k) (A000073(k)).at n=9A299156
• Trajectory of n under the Reverse and Add! operation carried out in base 8 (presumably) does not reach a palindrome and (presumably) does not join the trajectory of any term m < n.at n=38A306596
• Prime numbersat n=3615