1451
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Number
$1451$ (one thousand, four hundred and fifty-one) is:
- The $230$th prime number.
- The smaller of the $48$th pair of twin primes:
- $1453 - 1451 = 2$
- The $48$th Sophie Germain prime after $2$, $3$, $5$, $11$, $23$, $29$, $41$, $\ldots$, $1031$, $1049$, $1103$, $1223$, $1229$, $1289$, $1409$, $1439$:
- $2 \times 1451 + 1 = 2903$, which is prime.
Also see
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