983

Number
$983$ (nine hundred and eighty-three) is:


 * The $166$th prime number.


 * The smaller of the $15$th pair of primes whose prime gap is $8$:
 * $991 - 983 = 8$


 * The $25$th safe prime after $5$, $7$, $11$, $23$, $47$, $59$, $83$, $107$, $167$, $179$, $227$, $263$, $347$, $359$, $383$, $467$, $479$, $503$, $563$, $587$, $719$, $839$, $863$, $887$:
 * $983 = 2 \times 491 + 1$


 * The $32$nd emirp after $13$, $17$, $31$, $37$, $\ldots$, $733$, $739$, $743$, $751$, $761$, $769$, $907$, $937$, $941$, $953$, $967$, $971$


 * The $53$rd left-truncatable prime after $2$, $3$, $5$, $7$, $\ldots$, $743$, $773$, $797$, $823$, $853$, $883$, $937$, $947$, $953$, $967$


 * The $60$th long period prime after $7$, $17$, $19$, $23$, $29$, $\ldots$, $823$, $857$, $863$, $887$, $937$, $941$, $953$, $971$, $977$

Also see