66570

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 86.at n=5A031764
• Numbers k having exactly 5 distinct prime factors, the largest of which is greater than or equal to sqrt(k) (i.e., sqrt(k)-rough numbers with exactly 5 distinct prime factors).at n=19A115959
• Numbers k such that k-17, k-1, k+1 and k+17 are consecutive primes.at n=1A262176