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The Number 811: Properties and Meanings
is a Prime Number
is a Centered 18-gonal Number
Nauheima is a minor planet orbiting the Sun. It was named after Bad Nauheim, a spa town in western Germany.
Naval Air Squadron is a squadron of Britain's Fleet Air Arm.
In the North American Numbering Plan, particularly in Canada and the U.S., the telephone number 811
has traditionally been a direct line to the business office of the telephone company providing service on the line.
The Year 811 AD
In the year 811
AD...Emperor Basil I of the Byzantine Empire, was born.