Note 366 — Chapter XXIV · CONQUEST OF EGYPT. A.H. XX. A.D. 641.
Reading edition
The male population alone, we are told, numbered 600,000. There were 70,000 (according to others 40,000) male Jews of an age to pay the poll tax, and 200,000 Greeks, of whom 30,000 effected their escape by sea before the siege. The baths were 4,000 in number, the theatres 400, and the harbour held 12,000 vessels of various size.