170000

Appears in sequences

• Numbers n such that there are (presumably) nine palindromes in the Reverse and Add! trajectory of n.at n=22A090070
• Integers that can be generated with a C/C++ expression that is two or more characters shorter than their decimal representation.at n=16A168651
• a(n) = n^4 * Sum_{d^2|n} 1 / d^4.at n=19A351602