The Number 411: Properties and MeaningsPrime Factors of 411=3x137.
411 is a 29-gonal Number.
411 is a 138-gonal Number.
411 is a Centered 41-gonal Number.
The Year 411 ADIn the year 411 AD there was a Neptune-Pluto conjunction in Taurus.
A manuscript from Edessa dated 411 AD (the earliest dated manuscript in Syriac) was written. It contains the Syriac version of Eusebius' history of the Church, the Clementine Recognitiones and a work by Titus of Bostra.
In the year 411 AD St. Augustine writes The City of God. In the year 411 AD Proclus, Neoplatonic philosopher was born.(Esoteric History)