859,433

Number
$859 \, 433$ (eight hundred and fifty-nine thousand, four hundred and thirty-three) is:


 * The $68 \, 301$st prime number


 * The index of the $33$rd Mersenne prime after $2$, $3$, $5$, $7$, $13$, $\ldots$, $23 \, 209$, $44 \, 497$, $86 \, 243$, $110 \, 503$, $132 \, 049$, $216 \, 091$, $756 \, 839$:
 * $M_{859 \, 433} = 2^{859 \, 433} - 1 \approx 1 \cdotp 295 \times 10^{258 \, 715}$