599

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Number

$599$ (five hundred and ninety-nine) is:

The $109$th prime number


The $9$th obstinate number after $1$, $127$, $149$, $251$, $331$, $337$, $373$, $509$


The $23$rd right-truncatable prime after $2$, $3$, $5$, $7$, $23$, $29$, $31$, $37$, $53$, $59$, $71$, $73$, $79$, $233$, $239$, $293$, $311$, $313$, $317$, $373$, $379$, $593$


The $27$th near-repdigit prime after $101$, $113$, $131$, $151$, $\ldots$, $353$, $373$, $383$, $433$, $443$, $449$, $499$, $557$, $577$


The smaller of the $27$th pair of twin primes:
$601 - 599 = 2$


Also see