5677

Number
$5677$ (five thousand, six hundred and seventy-seven) is:


 * $7 \times 811$


 * The $44$th centered hexagonal number after $1$, $7$, $19$, $37$, $61$, $91$, $127$, $\ldots$, $4219$, $4447$, $4681$, $4921$, $5167$, $5419$:
 * $5677 = \displaystyle 1 + \sum_{k \mathop = 1}^{44 - 1} 6 k = 44^3 - 43^3$