The Number

20813

Twenty Thousand Eight Hundred and Thirteen

In Base 28 Octovigesimal Is

qf928

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

For more familiar numbers: See Twenty Thousand Eight Hundred and Thirteen in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

20810
qf628
Twenty Thousand Eight Hundred and Ten in Base 28 Octovigesimal
20811
qf728
Twenty Thousand Eight Hundred and Eleven in Base 28 Octovigesimal
20812
qf828
Twenty Thousand Eight Hundred and Twelve in Base 28 Octovigesimal
20814
qfa28
Twenty Thousand Eight Hundred and Fourteen in Base 28 Octovigesimal
20815
qfb28
Twenty Thousand Eight Hundred and Fifteen in Base 28 Octovigesimal
20816
qfc28
Twenty Thousand Eight Hundred and Sixteen in Base 28 Octovigesimal

Scientific Notation

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

2.0813e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0011ep98dbq4d428

The reciprocal of 20813 in Base 28 Octovigesimal.

Palindrome?

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

The number qf928 is not a palindrome.

Not A Prime Number

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

Twenty thousand eight hundred and thirteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty thousand eight hundred and thirteen is a composite number with 4 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 twenty thousand eight hundred and thirteen has the following 2 prime factors:

13
d28
Thirteen in Base 28 Octovigesimal
1601
21528
One Thousand Six Hundred and One in Base 28 Octovigesimal

Prime Factorization

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

d281 · 215281 = qf928

Base Conversions

The number twenty thousand eight hundred and thirteen in 35 different bases