1039

Number
$1039$ (one thousand and thirty-nine) is:


 * The $175$th prime number


 * The $5$th after $199$, $409$, $619$, $829$ of the smallest $10$ primes in arithmetic sequence:
 * $1039 = 4 \times 210 + 199$


 * The smaller of the $18$th pair of primes whose prime gap is $10$:
 * $1049 - 1039 = 10$