The Number 406: Properties and MeaningsPrime Factors of 406=2x7x29.
406 is a Triangular Number.
406 is a 21-gonal Number.
406 is a 69-gonal Number.
406 is a Centered Nonagonal Number.
406 is a Centered 27-gonal Number.
According to Jainism the total number of Soul classes=406
406 is a poem by John Boyle O'Reilly. The number had a mystical significance to him.
406 is the area code for Montana.
The Year 406 ADIn the year 406 AD ...
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