36857

Properties

Appears in sequences

• Primes of the form k^2 - 7.at n=19A028883
• Primes p such that p+7 == 0 (mod phi(p+7)).at n=30A067606
• Prime numbers that are 2 less than a prime-indexed odd triangular number or 1 more than a prime-indexed even triangular number.at n=34A096333
• Primes of the form pq - 6, where p and q are consecutive primes.at n=16A099775
• Smallest prime p such that the sum of it and the following prime has n prime factors including multiplicity, or 0 if no such prime exists.at n=14A105418
• a(n) = largest prime <= the smallest positive integer with exactly n divisors.at n=37A145343
• Expansion of (1-x+7x^2)/((1-x)(1-2x)).at n=13A154251
• Primes p such that (p-a)*(p+a)-+a*p and (p-b)*(p+b)-+b*p are primes, a=2,b=3.at n=5A155010
• Primes of the form A037074(k) - 6, where A037074(k) is a twin prime product.at n=6A162834
• Least prime p such that p-2 has n divisors, or 0 if no such prime exists.at n=39A167675
• Primes of the form x^2 + 7*y^2, where x and y=x+1 are consecutive natural numbers.at n=31A176616
• Primes of the form 9n^3-7.at n=2A200964
• Primes p such that (p+nextprime(p))/2 is a perfect square.at n=26A225195
• Primes of the form triangular(p) + 1, where p is a prime.at n=16A231988
• Lesser of consecutive primes whose average is a perfect power.at n=29A242380
• Primes of form n^2 + 4096.at n=27A256836
• Primes equal to a hexagonal number plus 1.at n=32A285790
• Primes equal to a centered 9-gonal number plus 1.at n=21A285812
• a(n) = n^2 + 2329*n + 1697.at n=15A301985
• Numbers k such that w(k), w(k+1), and w(k+2) are all odd, where w is A336957.at n=13A337644