1481

Previous  ... Next

Number

$1481$ (one thousand, four hundred and eighty-one) is:

The $234$th prime number.


The larger of the $25$th pair of primes whose prime gap is $10$:
$1481 - 1471 = 10$


The smaller of the $49$th pair of twin primes:
$1483 - 1481 = 2$


The $49$th Sophie Germain prime after $2$, $3$, $5$, $11$, $23$, $29$, $41$, $\ldots$, $1031$, $1049$, $1103$, $1223$, $1229$, $1289$, $1409$, $1439$, $1451$:
$2 \times 1481 + 1 = 2963$, which is prime.


Also see

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.