The Number 223: Properties and Meanings223 is a Prime Number.
223 is a Centered 37-gonal Number.
223 is the atomic mass of francium.
Firearms: the .223 Remington.
223 is the final chapter of The Curious Incident of the Dog in the Night-time by Mark Haddon, which uses all prime numbers for its chapters due to its narrators Asperger's syndrome.
The Year 223 ADIn the year 223 AD the Yellow Crane Tower, located on Snake Hill in Wuchang, China was first built.
In the year 223 AD Liu Shan became second emperor of Shu-Han upon the death of his father, Liu Bei.
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