42281

Properties

Appears in sequences

• Primes that remain prime through 4 iterations of function f(x) = 9x + 4.at n=17A023325
• Denominators of continued fraction convergents to sqrt(782).at n=6A042509
• Sixth term of weak prime sextet: p(m-4)-p(m-5) < p(m-3)-p(m-4) < p(m-2)-p(m-3) < p(m-1)-p(m-2) < p(m)-p(m-1).at n=14A054833
• a(n) = 58*n^2 - 1.at n=26A158668
• Primes whose reversal + 1 is a square.at n=9A167217
• Collatz trajectory starting at 3711.at n=12A179623
• Partial sums of primes, but with a twist.at n=20A247657
• Primes of form n^2 + 256.at n=36A256776
• Prime numbersat n=4419