81869

Properties

Appears in sequences

• Cube root of A030697.at n=37A030698
• A104449(n+1)+prime(n), sum of a Lucas and the prime sequence.at n=21A160244
• Eigensequence for the Moebius mu triangle A152904.at n=31A185694
• Initial member of 6 consecutive primes a, b, c, d, e, f such that both (f + a)/(d - c) and (e + b)/(d - c) are prime.at n=34A293619
• Full autoinsertable of reversed multidigit primes are such primes that remain prime after all the possible internal autoinsertions of the reversed prime, one at a time.at n=24A335314
• a(1) = 1, a(2) = 2. For n > 2, a(n) is the least novel power of the greatest prime divisor of a(n-2) + a(n-1).at n=33A359874
• Prime numbersat n=8005