2048

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Number

$1024$ (one thousand and twenty-four) is:

$2^{11}$

The $11$th power of $2$ after $(1)$, $2$, $4$, $8$, $16$, $32$, $64$, $128$, $256$, $512$, $1024$:

$2048 = 2^{11}$

The $12$th almost perfect number after $1$, $2$, $4$, $8$, $16$, $32$, $64$, $128$, $256$, $512$, $1024$:

$\map {\sigma_1} {2048} = 4095 = 2 \times 2048 - 1$

Also see

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