199
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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 $7$th near-repdigit prime after $101$, $113$, $131$, $151$, $181$, $191$
- 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 larger 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
- Previous ... Next: Lucas Prime
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- Previous ... Next: Twin Primes
Sources
- 1986: David Wells: Curious and Interesting Numbers ... (previous) ... (next): $199$
- 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $199$