The Number

13811

Thirteen Thousand Eight Hundred and Eleven

In Base 21 Unovigesimal Is

1a6e21

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

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

Nearby Numbers

Positive, nonzero integers within three units

13808
1a6b21
Thirteen Thousand Eight Hundred and Eight in Base 21 Unovigesimal
13809
1a6c21
Thirteen Thousand Eight Hundred and Nine in Base 21 Unovigesimal
13810
1a6d21
Thirteen Thousand Eight Hundred and Ten in Base 21 Unovigesimal
13812
1a6f21
Thirteen Thousand Eight Hundred and Twelve in Base 21 Unovigesimal
13813
1a6g21
Thirteen Thousand Eight Hundred and Thirteen in Base 21 Unovigesimal
13814
1a6h21
Thirteen Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal

Scientific Notation

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

1.3811e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000e1ekek5c2c6c21

The reciprocal of 13811 in Base 21 Unovigesimal.

Palindrome?

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

The number 1a6e21 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 eleven 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 eleven 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 eleven has the following 2 prime factors:

7
721
Seven in Base 21 Unovigesimal
1973
49k21
One Thousand Nine Hundred and Seventy-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

7211 · 49k211 = 1a6e21

Base Conversions

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