6875

Number
$6875$ (six thousand, eight hundred and seventy-five) is:


 * $5^4 \times 11$


 * The $11$th tri-automorphic number after $2$, $5$, $7$, $67$, $75$, $92$, $667$, $792$, $875$, $6667$:
 * $6875 \times 3 = 141 \, 79 \mathbf {6 \, 875}$