The Number 1225: Properties and MeaningsPrime Factors of 1225=5x5x7x7.
1225 is a Triangular Number.
1225 is a Hexagonal Number.
1225 is a 29-gonal Number.
1225 is a Centered Octagonal Number.
1225 is a Centered Nonagonal Number.
The Year 1225 ADIn the year 1225 AD Henry married the daughter Leopold VI, the Austrian Duke.
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