47279

Properties

Appears in sequences

• Primes that are palindromic in base 14.at n=40A029981
• Third term of strong prime sextets: p(m-1)-p(m-2) > p(m)-p(m-1) > p(m+1)-p(m) > p(m+2)-p(m+1) > p(m+3)-p(m+2).at n=15A054815
• 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=37A096333
• Primes p such that 2*p+1 and ((2*p+1)^2 + 1)/2 = p^2 + (p+1)^2 are primes.at n=46A098717
• Indices of primes in sequence defined by A(0) = 61, A(n) = 10*A(n-1) + 81 for n > 0.at n=30A101541
• Pyramid game person numbers that have integer solutions.at n=38A135051
• Primes such that when they are concatenated with their 10's complement (which also must be prime), the result is a brilliant number.at n=20A168466
• Primes of the form x^2 + 7*y^2, where x and y=x+1 are consecutive natural numbers.at n=36A176616
• There appear to be at least n primes in the range (x-2*sqrt(x), x] for all x >= a(n).at n=33A189027
• Primes p of the form p = A161671(k) = A161671(k+1).at n=32A220220
• Primes of the form triangular(p) + 1, where p is a prime.at n=17A231988
• Primes equal to a hexagonal number plus 1.at n=37A285790
• Primes equal to a centered 9-gonal number plus 1.at n=24A285812
• Number of ordered partitions of an n-set without blocks of size 6.at n=7A343789
• Prime numbersat n=4874