262079

Properties

Appears in sequences

• Primes p such that tau(p-1)+tau(p+1) is larger than for any previous term. (Smallest prime sandwiched between more composite numbers.)at n=39A090481
• Primes with a single 0 bit in their binary expansion.at n=40A095078
• Primes of the form k^3 - k - 1.at n=25A116581
• Smallest odd prime base q such that p^3 divides q^(p-1) - 1, where p = prime(n).at n=29A125637
• Numbers k such that A145768(k) is a square.at n=45A145827
• Primes which produce records in A157188, at index i=pi(a(n)) (pi=A000720).at n=11A157190
• Primes of the form 2^t-2^k-1, k>=1.at n=45A181741
• The least number having n representations as p*q - p - q for primes p <= q.at n=16A218862
• Decimal representation of the x-axis, from the left edge to the origin, of the n-th stage of growth of the two-dimensional cellular automaton defined by "Rule 379", based on the 5-celled von Neumann neighborhood.at n=17A281634
• Numbers k where records occur for d(k+1)/d(k), where d(k) is A000005(k).at n=25A282531
• The least prime p such that equation x = p*sopf(x) (where sopf(x) is the sum of distinct prime factors of x) has exactly n solutions in positive integers.at n=16A336296
• a(n) is the least prime p such that there are exactly n primes of the form p+d where d is a divisor of p-1 or of p+1.at n=43A340160
• a(n) is the least prime p such that there are exactly n pairs of primes (q,r) with p > q > r such that q | r + p and r | q + p.at n=19A344776
• a(n) is the least number that occurs exactly n times in A075255.at n=16A385964
• Prime numbersat n=22993