8517

Number
$8517$ (eight thousand, five hundred and seventeen) is:


 * $3 \times 17 \times 169$


 * The $1$st term, with $8577$ and $8637$, of the $2$nd arithmetic sequence of $3$ integers with common difference of $60$ all of which can be expressed as the sum of $4$ fourth powers:
 * $8517^4 = 1642^4 + 3440^4 + 6100^4 + 7815^4$