47269

Properties

Appears in sequences

• Second term p(m) of strong prime sextets: 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).at n=15A054814
• To get next term, multiply by 17, add 1 and discard any prime factors < 17.at n=16A057216
• To get next term, multiply by 17, add 1 and discard any prime factors < 17.at n=38A057216
• Total number of 6's digits in the first 10^n primes.at n=4A119297
• Nonpalindromic primes that are the average of the members of emirp pairs.at n=25A178585
• Primes in A002049.at n=20A185846
• There appear to be at least n primes in the range (x-2*sqrt(x), x] for all x >= a(n).at n=32A189027
• Primes of the form n^2 + phi(n).at n=33A264771
• The first of three consecutive primes the sum of which is equal to the sum of three consecutive triangular numbers.at n=26A298169
• Primes p such that, if q is the next prime, p + q^2 is a prime times a power of 10.at n=43A352837
• Primes p such that the polynomial x^7 - 7*x + 3 (mod p) is the product of seven linear factors.at n=27A358147
• Prime numbersat n=4873