349

Number
$349$ (three hundred and forty-nine) is:


 * The $70$th prime number


 * The lower end of the $7$th record-breaking gap between twin primes:
 * $419 - 349 = 70$


 * The larger of the $21$st pair of twin primes, with $347$.


 * The $27$th minimal prime base $10$ after $11$, $13$, $17$, $19$, $23$, $29$, $31$, $37$, $41$, $43$, $47$, $53$, $59$, $61$, $67$, $71$, $73$, $79$, $83$, $89$, $97$, $227$, $251$, $257$, $277$, $281$

Also see