971

Number
$971$ (nine hundred and seventy-one) is:


 * The $164$th prime number


 * The $31$st emirp after $13$, $17$, $31$, $37$, $\ldots$, $733$, $739$, $743$, $751$, $761$, $769$, $907$, $937$, $941$, $953$, $967$


 * The $58$th long period prime after $7$, $17$, $19$, $23$, $29$, $\ldots$, $823$, $857$, $863$, $887$, $937$, $941$, $953$

Also see