839

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Number

$839$ (eight hundred and thirty-nine) is:

The $146$th prime number


The smaller of the $5$th pair of primes whose prime gap is $14$:
$853 - 839 = 14$


The larger of the $15$th pair of primes whose prime gap is $10$:
$839 - 829 = 10$


The $22$nd safe prime after $5$, $7$, $11$, $23$, $47$, $59$, $83$, $107$, $167$, $179$, $227$, $263$, $347$, $359$, $383$, $467$, $479$, $503$, $563$, $587$, $719$:
$839 = 2 \times 419 + 1$


Also see