56175

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 79.at n=2A031757
• Numbers k such that 2*k-1, 4*k-1, 6*k-1 and 8*k-1 are primes.at n=28A124487
• Number of composite Lucas numbers between the prime Lucas numbers A005479(n) and A005479(n+1).at n=53A245472
• Numbers m such that m*p is divisible by m-p, where m > p > 0 and p = A007954(m) = the product of digits of m.at n=16A330880