701

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Number

$701$ (seven hundred and one) is:

The $126$th prime number.

The smaller of the $9$th pair of primes whose prime gap is $8$:

$709 - 701 = 8$

The $10$th obstinate number after $1$, $127$, $149$, $251$, $331$, $337$, $373$, $509$, $599$

The larger of the $11$th pair of primes whose prime gap is $10$:

$701 - 691 = 10$

The $21$st emirp after $13$, $17$, $31$, $37$, $71$, $73$, $79$, $97$, $107$, $113$, $149$, $157$, $167$, $179$, $199$, $311$, $337$, $347$, $359$, $389$

The $45$th long period prime after $7$, $17$, $19$, $23$, $29$, $\ldots$, $491$, $499$, $503$, $509$, $541$, $571$, $577$, $593$, $619$, $647$, $659$

Also see

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• Previous  ... Next: Prime Gaps of 8
• Previous  ... Next: Prime Gaps of 10