131641

Properties

Appears in sequences

• Terms in A006512 containing the digit "6" at least once, such that changing every "6" to a "9" and vice versa yields a larger term in A006512.at n=22A123211
• Largest prime p(k) > p(n) such that 1/p(n) + 1/p(n+1) + ... + 1/p(k) < 1, where p(n) is the n-th prime.at n=19A225671
• Number of distinct characteristic polynomials of n X n matrices with elements {-1, +1}.at n=6A272662
• a(n) is the least prime p such that, if q is the next prime after p and d = q-p, then p-n*d, p+n*d, q-n*d and q+n*d are all prime.at n=1A353697
• Prime numbersat n=12297