1162

Number
$1162$ (one thousand, one hundred and sixty-two) is:


 * $2 \times 7 \times 83$


 * The $28$th pentagonal number after $1$, $5$, $12$, $22$, $35$, $\ldots$, $477$, $532$, $590$, $651$, $715$, $782$, $852$, $925$, $1001$, $1080$:
 * $1162 = \displaystyle \sum_{k \mathop = 1}^{28} \left({3 k - 2}\right) = \dfrac {28 \left({3 \times 28 - 1}\right)} 2$