303

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Number

$303$ (three hundred and three) is:

$3 \times 101$


The $11$th palindromic lucky number:
$1$, $3$, $7$, $9$, $33$, $99$, $111$, $141$, $151$, $171$, $303$, $\ldots$


The $56$th lucky number:
$1$, $3$, $7$, $9$, $13$, $15$, $21$, $\ldots$, $237$, $241$, $259$, $261$, $267$, $273$, $283$, $285$, $289$, $297$, $303$, $\ldots$


Also see

No further elements of this sequence will be tabulated on $\mathsf{Pr} \infty \mathsf{fWiki}$.