The Number 313: Properties and Meanings313 is a Prime Number.
313 is a Centered Square Number.
313 is the license plate number of Donald Duck's car.
313 is the area code for Detroit, Michigan, hence the number is used by area rappers as a shorthand.
The Year 313 ADAt the time of the Edict of Milan (A.D. 313), probably about a tenth of the Roman Empire had converted to Christianity.
In the year 313 AD Licinius becomes emperor of the Eastern Roman Empire, defeating Maximinus at the battle of Tzirallum.
In the year 313 AD Donatism was declared a heresy. (Lateran synod)
In the year 313 AD the oldest bridge over the Rhine was built near present-day Cologne.
In the year 313 AD the kingdom of Koguryō seized the territory of the Chinese commandery of Lelang, bringing to an end more than 400 years of Chinese authority centered in this province-sized colony.
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