701

Number
$701$ (seven hundred and one) is:


 * The $126$th prime number.


 * The $21$st emirp after $13$, $17$, $31$, $37$, $71$, $73$, $79$, $97$, $107$, $113$, $149$, $157$, $167$, $179$, $199$, $311$, $337$, $347$, $359$, $389$


 * The smaller of the $9$th pair of primes whose prime gap is $8$:
 * $709 - 701 = 8$


 * The larger of the $11$th pair of primes whose prime gap is $10$:
 * $701 - 691 = 10$


 * The $10$th obstinate number after $1$, $127$, $149$, $251$, $331$, $337$, $373$, $509$, $599$