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The Number 211: Properties and Meanings
211 is a Prime Number.211 is a Centered Decagonal Number.
211 is a Centered 14-gonal Number.
211 is a Centered 21-gonal Number.
211 is a Centered 35-gonal Number.
211 is the maximal number of regions into which 20 lines divide a plane.
2-1-1 is a special abbreviated telephone number reserved in Canada and the United States as an easy-to-remember three-digit telephone number meant to provide quick information and referrals to health and human service organizations.
The Year 211 AD
In the year 211 AD Ardashir I became king of part of Persia.In the year 211 AD Septimus Severus died in Britain.
In the year 211 AD the city of York became the capital of Britannia Inferior, a northern province of the Roman Empire.
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