### The Number

# 89

## Eighty-Nine

## Nearby Numbers

*Positive, nonzero integers within three units*

## Scientific Notation

*Scientific notation expresses a quantity as the product of its significand with 10 raised to an integer exponent.*

`8.9e1`

## Reciprocal

*A number multiplied with its reciprocal is one.*

`0.011235955056179775`

The reciprocal of 89.

## Palindrome?

*A numerical palindrome has the same value when all of its digits are reversed.*

The number 89 is not a palindrome.

## A Prime Number

*A prime number is a positive integer that is divisible only by itself and one.*

Eighty-nine is the 24th prime number. See primes in Base 10 Decimal

## Not A Composite

*Composites have more than just these two factors.*

Eighty-Nine is not a composite number because it has exactly two factors: One and Eighty-Nine

## Prime Factors

*The prime factors of a positive integer are the integers that divide it exactly and are also prime.*

The number eighty-nine has the following 1 prime factor:

## Prime Factorization

*The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities*

###
```
891
= 89
```

## Base Conversions

*The number eighty-nine in 35 different bases*