The Number

13809

Thirteen Thousand Eight Hundred and Nine

In Base 21 Unovigesimal Is

1a6c21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

13806
1a6921
Thirteen Thousand Eight Hundred and Six in Base 21 Unovigesimal
13807
1a6a21
Thirteen Thousand Eight Hundred and Seven in Base 21 Unovigesimal
13808
1a6b21
Thirteen Thousand Eight Hundred and Eight in Base 21 Unovigesimal
13810
1a6d21
Thirteen Thousand Eight Hundred and Ten in Base 21 Unovigesimal
13811
1a6e21
Thirteen Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
13812
1a6f21
Thirteen Thousand Eight Hundred and Twelve in Base 21 Unovigesimal

Scientific Notation

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

1.3809e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e1ficcf066gc21

The reciprocal of 13809 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a6c21 is not a palindrome.

Not A Prime Number

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

Thirteen thousand eight hundred and nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Thirteen thousand eight hundred and nine 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 thirteen thousand eight hundred and nine has the following 2 prime factors:

3
321
Three in Base 21 Unovigesimal
4603
a9421
Four Thousand Six Hundred and Three in Base 21 Unovigesimal

Prime Factorization

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

3211 · a94211 = 1a6c21

Base Conversions

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