41231

Properties

Appears in sequences

• Numbers n such that 73*2^n-1 is prime.at n=14A050562
• Fifth term of strong prime sextets: p(m-3)-p(m-4) > p(m-2)-p(m-3) > p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m).at n=13A054817
• Primes for which the period of the reciprocal equals (p-1)/14.at n=33A135073
• Primes obtained from other primes by prefixing a 4.at n=41A165444
• Number of days after Jan 01 1000 such that the date written in the format DDMMYYYY is palindromic.at n=36A210885
• Lesser of twin primes for which phi(p-1) < phi(p+1).at n=9A286715
• Primes that can be generated by the concatenation in base 6, in ascending order, of two consecutive integers read in base 10.at n=22A287306
• Expansion of Product_{k>=1} 1/((1 - x^k)*(1 - x^(5*k))).at n=37A318028
• Number of subsets of {1..n} whose elements have the same number of prime factors, counted with multiplicity.at n=42A339511
• The n-th term in the trajectory of the n-th prime P under the 'Px+1' map.at n=17A368159
• Prime numbersat n=4317