797

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Number

$797$ (seven hundred and ninety-seven) is:

The $139$th prime number

The $12$th two-sided prime after $2$, $3$, $5$, $7$, $23$, $37$, $53$, $73$, $313$, $317$, $373$:

$797$ is prime; $79$, $7$ are prime; $97$, $7$ are prime

The larger of the $13$th pair of primes whose prime gap is $10$:

$797 - 787 = 10$

The $18$th palindromic prime:

$2$, $3$, $5$, $7$, $11$, $101$, $131$, $151$, $181$, $191$, $313$, $353$, $373$, $383$, $727$, $757$, $787$, $797$, $\ldots$

The $27$th right-truncatable prime after $2$, $3$, $5$, $7$, $23$, $\ldots$, $317$, $373$, $379$, $593$, $599$, $719$, $733$, $739$

The $35$th near-repdigit prime after $101$, $113$, $131$, $151$, $\ldots$, $353$, $373$, $383$, $433$, $443$, $449$, $499$, $557$, $577$, $599$, $661$, $677$, $727$, $733$, $757$, $773$, $787$

The $45$th left-truncatable prime after $2$, $3$, $5$, $7$, $\ldots$, $443$, $467$, $523$, $547$, $613$, $617$, $643$, $647$, $653$, $673$, $683$, $743$, $773$