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84 85 86

The Number 85: Properties and Meanings

Prime Factors of 85=5x17.

85 can be Partitioned 43 times with each term no larger than 2.

85 can be Partitioned 645 times with each term no larger than 3.

85 is a Decagonal Number.

85 is an Octahedral Number.

85 is a Centered Triangular Number.

85 is a Centered Square Number.

85 is a Centered 14-gonal Number.

85 is a Centered 28-gonal Number.


The Year 85 AD

In the year 85 AD Baekje invaded the outskirts of Silla in the Korean peninsula.

84 85 86
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