6143

Number
$6143$ (six thousand, one hundred and forty-three) is:


 * The $801$st prime number


 * The $11$th Thabit number after $(2)$, $5$, $11$, $23$, $47$, $95$, $191$, $383$, $767$, $1535$, $3071$:
 * $6143 = 3 \times 2^{11} - 1$


 * The $8$th Thabit prime after $2$, $5$, $11$, $23$, $47$, $191$, $383$:
 * $6143 = 3 \times 2^{11} - 1$