44,497

Number
$44 \, 497$ (forty-four thousand, four hundred and ninety-seven) is:


 * The $4624$th prime number


 * The index of the $27$th Mersenne prime after $2$, $3$, $5$, $7$, $13$, $\ldots$, $2203$, $2281$, $3217$, $4253$, $4423$, $9689$, $9941$, $11 \, 213$, $19 \, 937$, $21 \, 701$, $23 \, 209$:
 * $M_{44 \, 497} = 2^{44 \, 497} - 1 \approx 8 \cdotp 545 \times 10^{13 \, 394}$