### The Number

# 13

## Thirteen

## In Base 28 Octovigesimal Is

# d28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

For more familiar numbers: See Thirteen 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.*

`1.3e1`

## Reciprocal

*A number multiplied with its reciprocal is one.*

`0.248h6cpnjali28`

The reciprocal of 13 in Base 28 Octovigesimal.

## Palindrome?

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

The number d28 is a palindrome.

## A Prime Number

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

Thirteen is the 6th prime number. See primes in Base 28 Octovigesimal

## Not A Composite

*Composites have more than just these two factors.*

Thirteen is not a composite number because it has exactly two factors: One and Thirteen

## Prime Factors

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

The number thirteen 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*

###
```
d281
= d28
```

## Base Conversions

*The number thirteen in 35 different bases*