Bluebulb Projects' The Measure of Things presents:
810 is about the number of Population of Vatican City.
In other words, the count of Population of Vatican City is 1.04 times that amount.
(a.k.a. Vatican City State, a.k.a. Stato della Città del Vaticano
, a.k.a. Status Civitatis Vaticanae
) (Rome, Italy) (2014 estimates; permanent residents only)