### The Number

# 73

## Seventy-Three

## In Base 18 Octodecimal Is

# 4118

The numbers with a 18 subscript use Base 18 Octodecimal notation.

For more familiar numbers: See Seventy-Three in Base 10 Decimal

## 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.*

`7.3e1`

## Reciprocal

*A number multiplied with its reciprocal is one.*

`0.047g08fe0hda1h918`

The reciprocal of 73 in Base 18 Octodecimal.

## Palindrome?

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

The number 4118 is not a palindrome.

## A Prime Number

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

Seventy-three is the 21st prime number. See primes in Base 18 Octodecimal

## Not A Composite

*Composites have more than just these two factors.*

Seventy-Three is not a composite number because it has exactly two factors: One and Seventy-Three

## Prime Factors

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

The number seventy-three 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*

###
```
41181
= 4118
```

## Base Conversions

*The number seventy-three in 35 different bases*