109,297

Number
$109 \, 297$ (one hundred and nine thousand, two hundred and ninety-seven) is:


 * The $10 \, 390$th prime number


 * The index of the $8$th repunit prime after $R_2$, $R_{19}$, $R_{23}$, $R_{317}$, $R_{1031}$, $R_{49 \, 081}$, $R_{86 \, 453}$