39103

Properties

Appears in sequences

• 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=11A054817
• Primes p such that p + 2^2, p + 4^2 and p + 6^2 are also primes.at n=39A092475
• Smaller of the two consecutive primes whose sum is a triangular number.at n=39A225077
• Numbers of the form (5^j + 9^k)/2, for j and k >= 0.at n=44A226794
• Smallest k<3*2^n such that 3*2^n+k is the smallest of four consecutive primes in arithmetic progression or 0 if no solution.at n=23A230852
• Concatenation of n-th nonprime and n-th prime.at n=26A253911
• a(n) = number of steps required to reach F(n+1)-1 from F(n+2)-1 by repeatedly subtracting from a natural number the number of ones in its Zeckendorf representation. Here F(n) = the n-th Fibonacci number, F(0) = 0, F(1) = 1, F(2) = 1, F(3) = 2, ...at n=28A261091
• Primes p such that p, x+y, x-y, p-x*y and p+x*y are prime, where y = p mod 5 and x = (p-y)/5.at n=33A342771
• Prime numbersat n=4116