The Number

20813

Twenty Thousand Eight Hundred and Thirteen

In Base 11 Undecimal Is

1470111

The numbers with a 11 subscript use Base 11 Undecimal 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
146a911
Twenty Thousand Eight Hundred and Ten in Base 11 Undecimal
20811
146aa11
Twenty Thousand Eight Hundred and Eleven in Base 11 Undecimal
20812
1470011
Twenty Thousand Eight Hundred and Twelve in Base 11 Undecimal
20814
1470211
Twenty Thousand Eight Hundred and Fourteen in Base 11 Undecimal
20815
1470311
Twenty Thousand Eight Hundred and Fifteen in Base 11 Undecimal
20816
1470411
Twenty Thousand Eight Hundred and Sixteen in Base 11 Undecimal

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.

0.0000781330758a78a56411

The reciprocal of 20813 in Base 11 Undecimal.

Palindrome?

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

The number 1470111 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 11 Undecimal

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
1211
Thirteen in Base 11 Undecimal
1601
122611
One Thousand Six Hundred and One in Base 11 Undecimal

Prime Factorization

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

12111 · 1226111 = 1470111

Base Conversions

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