822

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Number

$822$ (eight hundred and twenty-two) is:

$2 \times 3 \times 137$

The index (after $2$, $3$, $6$, $30$, $75$, $81$, $115$, $123$, $249$, $362$, $384$, $462$, $512$, $751$) of the $15$th Woodall prime:

$822 \times 2^{822} - 1$

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