18,496

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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 $\paren {17 \times 2^{9251} }^2 + 1$


Also see


Sources