3197

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Number

$3197$ (three thousand, one hundred and ninety-seven) is:

$23 \times 139$


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


Also see