227

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Number

$227$ (two hundred and twenty-seven) is:

The $49$th prime number

The $5$th Stern number after $1$, $3$, $17$, $137$

The $5$th Stern prime after $1$, $3$, $17$, $137$

The $10$th near-repdigit prime after $101$, $113$, $131$, $151$, $181$, $191$, $199$, $211$, $223$

The $11$th safe prime after $5$, $7$, $11$, $23$, $47$, $59$, $83$, $107$, $167$, $179$:

$227 = 2 \times 113 + 1$

The smaller of the $16$th pair of twin primes, with $229$

Also see

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