18,496

Number
$18 \, 496$ (eighteen thousand, four hundred and ninety-six) is:


 * $2^6 \times 17^2$


 * The $136$th square number:
 * $18 \, 496 = 136 \times 136$


 * The index of the $6$th Cullen prime after $1$, $141$, $4713$, $5795$, $6611$:
 * $18 \, 496 \times 2^{18 \, 496} + 1$, also expressible as $\paren {17 \times 2^{9251} }^2 + 1$