7260

Number
$7260$ (seven thousand, two hundred and sixty) is:


 * $2^2 \times 3 \times 5 \times 11^2$


 * The $120$th triangular number after $1$, $3$, $6$, $10$, $15$, $\ldots$, $6786$, $6903$, $7021$, $7140$:
 * $7260 = \displaystyle \sum_{k \mathop = 1}^{120} k = \dfrac {120 \times \left({120 + 1}\right)} 2$