# 90013

The numbers with a 13 subscript use Base 13 Tridecimal notation.

For more familiar numbers: See One Thousand Five Hundred and Twenty-One in Base 10 Decimal

## Nearby Numbers

Positive, nonzero integers within three units

1518
8ca13
One Thousand Five Hundred and Eightteen in Base 13 Tridecimal
1519
8cb13
One Thousand Five Hundred and Nineteen in Base 13 Tridecimal
1520
8cc13
One Thousand Five Hundred and Twenty in Base 13 Tridecimal
1522
90113
One Thousand Five Hundred and Twenty-Two in Base 13 Tridecimal
1523
90213
One Thousand Five Hundred and Twenty-Three in Base 13 Tridecimal
1524
90313
One Thousand Five Hundred and Twenty-Four in Base 13 Tridecimal

## 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.

### `0.0015a15a15a15a15b13`

The reciprocal of 1521 in Base 13 Tridecimal.

## Palindrome?

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

The number 90013 is not a palindrome.

## Not A Prime Number

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

One thousand five hundred and twenty-one is a composite number with 9 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

## A Composite

Composites have more than just these two factors.

One thousand five hundred and twenty-one is a composite number with 9 total factors (including 1 and itself).

## Prime Factors

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

The number one thousand five hundred and twenty-one has the following 2 prime factors:

3
313
Three in Base 13 Tridecimal
13
1013
Thirteen in Base 13 Tridecimal

## Prime Factorization

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

## Base Conversions

The number one thousand five hundred and twenty-one in 35 different bases