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The Number 91: Properties and Meanings
Prime Factors of
91=
7x
13.
91 can be
Partitioned 46 times with each term no larger than
2.
91 can be
Partitioned 736 times with each term no larger than
3.
91 is a
Triangular Number.
91 is a
Hexagonal Number.
91 is a
Centered Hexagonal Number.
91 is a
Centered Nonagonal Number.
91 is a
Centered 15-gonal Number.
91 is a
Centered 30-gonal Number.
91 is a
Square Pyramidal Number.
91 is a
Centered Cube Number.
91, Parts of the Earth (Enochian)
The Year 91 AD
In the year
91 AD Pliny the Younger was named a tribunus plebis.