3197

Number
$3197$ (three thousand, one hundred and ninety-seven) is:
 * $23 \times 139$


 * The $46$th second pentagonal number after $2$, $7$, $15$, $26$, $\ldots$, $1962$, $2072$, $2185$, $2301$, $2420$, $2542$, $2667$, $2795$, $2926$, $3060$:
 * $3197 = \dfrac {46 \paren {3 \times 46 + 1} } 2$