The Number

20811

Twenty Thousand Eight Hundred and Eleven

In Base 13 Tridecimal Is

961b13

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

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

Nearby Numbers

Positive, nonzero integers within three units

20808
961813
Twenty Thousand Eight Hundred and Eight in Base 13 Tridecimal
20809
961913
Twenty Thousand Eight Hundred and Nine in Base 13 Tridecimal
20810
961a13
Twenty Thousand Eight Hundred and Ten in Base 13 Tridecimal
20812
961c13
Twenty Thousand Eight Hundred and Twelve in Base 13 Tridecimal
20813
962013
Twenty Thousand Eight Hundred and Thirteen in Base 13 Tridecimal
20814
962113
Twenty Thousand Eight Hundred and Fourteen in Base 13 Tridecimal

Scientific Notation

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

2.0811e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00014ac212b388b9613

The reciprocal of 20811 in Base 13 Tridecimal.

Palindrome?

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

The number 961b13 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 eleven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 13 Tridecimal

A Composite

Composites have more than just these two factors.

Twenty thousand eight hundred and eleven is a composite number with 8 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 eleven has the following 3 prime factors:

3
313
Three in Base 13 Tridecimal
7
713
Seven in Base 13 Tridecimal
991
5b313
Nine Hundred and Ninety-One in Base 13 Tridecimal

Prime Factorization

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

3131 · 7131 · 5b3131 = 961b13

Base Conversions

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