510,510

Number
$510 \, 510$ (five hundred and ten thousand, five hundred and ten) is:


 * $2 \times 3 \times 5 \times 7 \times 11 \times 13$


 * The $7$th primorial, after $1, 2, 6, 30, 210, 2310, 30 \, 030$ (counting $1$ as the zeroth):
 * $510 \, 510 = 17 \# = 2 \times 3 \times 5 \times 7 \times 11 \times 13 \times 17$
 * Hence the smallest positive integer with $7$ distinct prime factors.