26357

Properties

Appears in sequences

• Primes that remain prime through 3 iterations of function f(x) = 8x + 1.at n=8A023291
• Primes that are the average of the members of emirp pairs.at n=25A178581
• Nonpalindromic primes that are the average of the members of emirp pairs.at n=17A178585
• Least prime p such that p*6^n +/- 1 are primes.at n=53A225057
• Primes p such that q = p^2 - 2, r = q^2 - 2 and s = r^2 - 2 are also prime.at n=6A257552
• Primes p such that 6p - 1 and 6p + 1 are twin primes and ((6p-1)^2 + (6p+1)^2) / 10 is prime.at n=19A283957
• First of four consecutive primes p,q,r,s such that the sum of numerator and denominator of p/q + q/r, p/q + r/s, and q/r + r/s, are all prime.at n=14A355696
• a(n) = smallest number with the property that the split-and-multiply technique (see A361338) in base n can produce all n single-digit numbers.at n=27A361340
• Isolated primes in A381019.at n=1A381027
• Prime numbersat n=2896