8,981,279

Number
$8 \, 981 \, 279$ (eight million, nine hundred and eighty-one thousand, two hundred and seventy-nine) is:


 * The $601 \, 286$th prime number


 * The $4$th term of the smallest Cunningham chain of the first kind of length $7$:
 * $1 \, 122 \, 659$, $2 \, 245 \, 319$, $4 \, 490 \, 639$, $8 \, 981 \, 279$, $17 \, 962 \, 559$, $35 \, 925 \, 119$, $71 \, 850 \, 239$