843

Number
$843$ (eight hundred and forty-three) is:


 * $3 \times 281$


 * The $14$th Lucas number after $(2)$, $1$, $3$, $4$, $7$, $11$, $18$, $29$, $47$, $76$, $123$, $199$, $322$, $521$:
 * $843 = 322 + 521$