6724

Number
$6724$ (six thousand, seven hundred and twenty-four) is:


 * $2^2 \times 41^2$


 * The $82$nd square number after $1$, $4$, $9$, $16$, $25$, $36$, $\ldots$, $5041$, $5184$, $5329$, $5476$, $5625$, $5776$, $5929$, $6084$, $6241$, $6400$, $6561$
 * $6724 = 82 \times 82$