199

Number
$199$ (one hundred and ninety-nine) is:


 * The $46$th prime number


 * The $1$st of the smallest $10$ primes in arithmetic sequence:
 * $199 = 0 \times 210 + 199$


 * The $7$th Lucas prime after $2$, $3$, $7$, $11$, $29$, $47$


 * The $11$th Lucas number after $(2)$, $1$, $3$, $4$, $7$, $11$, $18$, $29$, $47$, $76$, $123$:
 * $199 = 76 + 123$


 * The $15$th emirp after $13$, $17$, $31$, $37$, $71$, $73$, $79$, $97$, $107$, $113$, $149$, $157$, $167$, $179$


 * The $2$nd of the $15$th pair of twin primes, with $197$


 * The $16$th permutable prime after $2$, $3$, $5$, $7$, $11$, $13$, $17$, $31$, $37$, $71$, $73$, $79$, $97$, $113$, $131$

Also see