528,529

Number
$528 \, 529$ (five hundred and twenty-eight thousand, five hundred and twenty-nine) is:


 * $727^2$


 * The $727$th square number:
 * $528 \, 529 = 727 \times 727$


 * The $3$rd square number after $183 \, 184$, $328 \, 329$ whose decimal representation consists of the concatenation of $2$ consecutive increasing integers:
 * $528 \, 529 = 727^2$