389
Number
$389$ (three hundred and eighty-nine) is:
- The $77$th prime number
- The smaller of the $3$rd pair of primes whose prime gap is $8$:
- $397 - 389 = 8$
- The $20$th emirp after $13$, $17$, $31$, $37$, $71$, $73$, $79$, $97$, $107$, $113$, $149$, $157$, $167$, $179$, $199$, $311$, $337$, $347$, $359$
- The $29$th long period prime after $7$, $17$, $19$, $23$, $29$, $\ldots$, $269$, $313$, $337$, $367$, $379$, $383$
Also see
- Previous ... Next: Prime Gaps of 8