The Number 89: Properties and Meanings89 is a Prime Number.
89 can be Partitioned 45 times with each term no larger than 2.
89 can be Partitioned 705 times with each term no larger than 3.
89 is a Fibonacci Number.
The Chemical Element Yttrium has one Stable Isotope. It has 89 neutrons.
The Year 89 ADIn the year 89 AD Pliny the Younger becomes urban quaestor.
In the year 89 AD Aquincum (modern Budapest) was founded.
In the year 89 AD Han Chinese Emperor Chang Ti dies, and was succeeded by Ho Ti