3249
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Number
$3249$ (three thousand, two hundred and forty-nine) is:
- $3^2 \times 19^2$
- The $7$th square after $49$, $169$, $361$, $1225$, $1444$, $1681$ whose decimal representation can be split into two parts which are each themselves square:
- $3249 = 57^2$; $324 = 18^2$, $9 = 3^2$
- The $57$th square number after $1$, $4$, $9$, $16$, $25$, $36$, $\ldots$, $1936$, $2025$, $2116$, $2209$, $2304$, $2401$, $2500$, $2601$, $2704$, $2809$, $2916$, $3025$, $3136$:
- $3249 = 57 \times 57$