Comfortably Numbered

The imperial system (miles, feet, yards, furlongs, nautical miles, etc) seems to resonate with repeating sixes. Earth’s diameter is 6!+6!+6!+6!+6!+6!+6!+6!+6!+6!+6! miles. 6! is pronounced “six factorial” and is simply (1x2x3x4x5x6), which equals 720. The Moon’s diameter is 6! + 6! +…