# 89

## Nearby Numbers

Positive, nonzero integers within three units

86
Eighty-Six
87
Eighty-Seven
88
Eighty-Eight
90
Ninety
91
Ninety-One
92
Ninety-Two

## Scientific Notation

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

## 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:

89
Eighty-Nine

## Prime Factorization

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

## Base Conversions

The number eighty-nine in 35 different bases