1091

Number
$1091$ (one thousand and ninety-one) is:


 * The $182$nd prime number


 * The smaller of the $40$th pair of twin primes:
 * $1093 - 1091 = 2$


 * The $40$th emirp after $13$, $17$, $31$, $37$, $\ldots$, $941$, $953$, $967$, $971$, $983$, $991$, $1009$, $1021$, $1031$, $1033$, $1061$, $1069$


 * The equation $x^6 + 1091$ yields a composite number for all integer values of $x$ from $1$ to $3095$

Also see

 * Numbers for which Sixth Power plus 1091 is Composite