Unique/Rare Site Map/Search 4000 Pages +
The Number : Properties and MeaningsPrime Factors of 400=2x2x2x2x5x5.
400 is a 16-gonal Number.
400 is a 68-gonal Number.
400 is a Centered 19-gonal Number.
The Year 400 ADIn the year 400 AD the Talmud Yerushalmi was compiled.
Share any properties and meanings for particular Numbers...contact me directly, thanks.