The Number

20809

Twenty Thousand Eight Hundred and Nine

In Base 31 Untrigesimal Is

lk831

The numbers with a 31 subscript use Base 31 Untrigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

20806
lk531
Twenty Thousand Eight Hundred and Six in Base 31 Untrigesimal
20807
lk631
Twenty Thousand Eight Hundred and Seven in Base 31 Untrigesimal
20808
lk731
Twenty Thousand Eight Hundred and Eight in Base 31 Untrigesimal
20810
lk931
Twenty Thousand Eight Hundred and Ten in Base 31 Untrigesimal
20811
lka31
Twenty Thousand Eight Hundred and Eleven in Base 31 Untrigesimal
20812
lkb31
Twenty Thousand Eight Hundred and Twelve in Base 31 Untrigesimal

Scientific Notation

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

2.0809e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001dboun61jnbe31

The reciprocal of 20809 in Base 31 Untrigesimal.

Palindrome?

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

The number lk831 is not a palindrome.

A Prime Number

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

Twenty thousand eight hundred and nine is the 2344th prime number.   See primes in Base 31 Untrigesimal

Not A Composite

Composites have more than just these two factors.

Twenty Thousand Eight Hundred and Nine is not a composite number because it has exactly two factors: One and Twenty Thousand Eight Hundred and Nine

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 nine has the following 1 prime factor:

20809
lk831
Twenty Thousand Eight Hundred and Nine in Base 31 Untrigesimal

Prime Factorization

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

lk8311 = lk831

Base Conversions

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