131,071

Number
$131 \, 071$ (one hundred and thirty-one thousand and seventy-one) is:


 * The $12 \, 251$st prime number


 * The $6$th Mersenne prime after $3$, $7$, $31$, $127$, $8191$:
 * $131 \, 071 = 2^{17} - 1$


 * The $7$th Mersenne number after $3$, $7$, $31$, $127$, $2047$, $8191$:
 * $131 \, 071 = 2^{17} - 1$