The Number

20811

Twenty Thousand Eight Hundred and Eleven

In Base 31 Untrigesimal Is

lka31

The numbers with a 31 subscript use Base 31 Untrigesimal 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
lk731
Twenty Thousand Eight Hundred and Eight in Base 31 Untrigesimal
20809
lk831
Twenty Thousand Eight Hundred and Nine in Base 31 Untrigesimal
20810
lk931
Twenty Thousand Eight Hundred and Ten in Base 31 Untrigesimal
20812
lkb31
Twenty Thousand Eight Hundred and Twelve in Base 31 Untrigesimal
20813
lkc31
Twenty Thousand Eight Hundred and Thirteen in Base 31 Untrigesimal
20814
lkd31
Twenty Thousand Eight Hundred and Fourteen in Base 31 Untrigesimal

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.

0.001dbkrl7s3crc31

The reciprocal of 20811 in Base 31 Untrigesimal.

Palindrome?

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

The number lka31 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 31 Untrigesimal

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
331
Three in Base 31 Untrigesimal
7
731
Seven in Base 31 Untrigesimal
991
10u31
Nine Hundred and Ninety-One in Base 31 Untrigesimal

Prime Factorization

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

3311 · 7311 · 10u311 = lka31

Base Conversions

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