1091

Previous  ... Next

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


Sources

  • 1997: David Wells: Curious and Interesting Numbers (2nd ed.) ... (previous) ... (next): $1091$
This article is issued from ProofWiki. The text is available under Creative Commons Attribution-ShareAlike License unless otherwise noted. Additional terms may apply for the media files.