28027

Properties

Appears in sequences

• Maximum fixed points under iteration of sum of cubes of digits in base n.at n=26A226026
• a(n) = 139*n^2 - 2307*n + 3331.at n=24A230307
• Smallest odd prime number Q such that Q*2^P-1 is also prime with P Mersenne prime exponent A000043(n).at n=17A249383
• a(1) = 2; a(n + 1) = smallest prime > a(n) such that a(n + 1) - a(n) is the product of 8 primes.at n=28A285693
• Number of irredundant sets in the n-wheel graph.at n=16A290494
• Primes of the form 11*n^2 + 55*n + 43.at n=37A292578
• Discriminants of imaginary quadratic fields with class number 33 (negated).at n=36A351671
• Primes having only {0, 2, 7, 8} as digits.at n=39A386053
• Prime numbersat n=3058