5993

Number
$5993$ (five thousand, nine hundred and ninety-three) is:
 * $13 \times 461$


 * The $10$th (and largest known) Stern number after $1$, $3$, $17$, $137$, $227$, $977$, $1187$, $1493$, $5777$


 * The second and greater of the only two known composite Stern numbers after $5777$