158003

Properties

Appears in sequences

• Numbers n such that 169*2^n-1 is prime.at n=22A050836
• Second term of weak prime septet: p(m)-p(m-1) < p(m+1)-p(m) < p(m+2)-p(m+1) < p(m+3)-p(m+2) < p(m+4)-p(m+3) < p(m+5)-p(m+4).at n=8A054835
• Primes that can be generated by the concatenation in base 2, in descending order, of two consecutive integers read in base 10.at n=41A287019
• a(n-5) is the number of nonempty subsets of {1,2,...,n} such that the difference of successive elements is at least 5.at n=36A330910
• Prime numbersat n=14522