131,072

Number
$131 \, 072$ (one hundred and thirty-one thousand and seventy-two) is:
 * $2^{17}$


 * The $17$th power of $2$ after $(1)$, $2$, $4$, $8$, $16$, $32$, $64$, $128$, $256$, $512$, $1024$, $2048$, $4096$, $8192$, $16 \, 384$, $32 \, 768$, $65 \, 536$:
 * $131 \, 072 = 2^{17}$


 * The $18$th almost perfect number after $1$, $2$, $4$, $8$, $16$, $32$, $64$, $128$, $256$, $512$, $1024$, $2048$, $4096$, $8192$, $16 \, 384$, $32 \, 768$, $65 \, 536$:
 * $\map {\sigma_1} {131 \, 072} = 262 \, 143 = 2 \times 131 \, 072 - 1$