17,962,559

Number
$17 \, 962 \, 559$ (seventeen million, nine hundred and sixty-two thousand, five hundred and fifty-nine) is:


 * The $1 \, 149 \, 096$th prime number


 * The $5$th term of the smallest Cunningham chain of the first kind of length $7$:
 * $1 \, 122 \, 659$, $2 \, 245 \, 319$, $4 \, 490 \, 639$, $8 \, 981 \, 279$, $17 \, 962 \, 559$, $35 \, 925 \, 119$, $71 \, 850 \, 239$