The Number 1606: Properties and MeaningsPrime Factors of 1606=2x11x73.
1606 is a 31-gonal Number.
1606 is a 269-gonal Number.
1606 is the number of strongly connected digraphs with 4 vertices.
The Year 1606 ADIn the year 1606 AD the Union Jack was adopted as the national flag of Great Britain.
In the year 1606 AD Trithemius' Steganographia was first published.(Esoteric History)