72909

Appears in sequences

• Numbers k such that the least term in the periodic part of the continued fraction for sqrt(k) is 60.at n=8A031738
• a(n) = 81*n^2 + 9.at n=29A157888
• Numbers n such that prime(n) contains a substring of all the prime digits in order, i.e., "2357".at n=32A295708