169000

Appears in sequences

• Numbers n that are the hypotenuse of exactly 17 distinct integer-sided right triangles, i.e., n^2 can be written as a sum of two squares in 17 ways.at n=15A097239
• Numbers of the form (10^i)*(13^j), with i, j >= 0.at n=17A108761
• Powerful(1) numbers (A001694) whose digit reversal is a brilliant number (A078972).at n=31A115676
• Numbers with prime factorization p^2*q^3*r^3 where p, q, and r are distinct primes.at n=18A190106
• Obverse convolution A000040**A000040; see Comments.at n=4A374851