The Number

20813

Twenty Thousand Eight Hundred and Thirteen

In Base 31 Untrigesimal Is

lkc31

The numbers with a 31 subscript use Base 31 Untrigesimal 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
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
20814
lkd31
Twenty Thousand Eight Hundred and Fourteen in Base 31 Untrigesimal
20815
lke31
Twenty Thousand Eight Hundred and Fifteen in Base 31 Untrigesimal
20816
lkf31
Twenty Thousand Eight Hundred and Sixteen in Base 31 Untrigesimal

Scientific Notation

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

2.0813e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001dbgok2729uf31

The reciprocal of 20813 in Base 31 Untrigesimal.

Palindrome?

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

The number lkc31 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 31 Untrigesimal

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
d31
Thirteen in Base 31 Untrigesimal
1601
1kk31
One Thousand Six Hundred and 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

d311 · 1kk311 = lkc31

Base Conversions

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