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The Number 289: Properties and Meanings
Prime Factors of 289=17x17.
289 is a Square Number(17x17).
289 is a Centered Octagonal Number.
The Year 289 AD
In the year 289 AD Maximian's attempt to reconquer Britain from the usurper Carausius failed due to bad weather.
The year 289 AD is traditionally given as the year of the death of Mencius.
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