The Number

130809

One Hundred and Thirty Thousand Eight Hundred and Nine

In Base 21 Unovigesimal Is

e2d021

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

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

Nearby Numbers

Positive, nonzero integers within three units

130806
e2ci21
One Hundred and Thirty Thousand Eight Hundred and Six in Base 21 Unovigesimal
130807
e2cj21
One Hundred and Thirty Thousand Eight Hundred and Seven in Base 21 Unovigesimal
130808
e2ck21
One Hundred and Thirty Thousand Eight Hundred and Eight in Base 21 Unovigesimal
130810
e2d121
One Hundred and Thirty Thousand Eight Hundred and Ten in Base 21 Unovigesimal
130811
e2d221
One Hundred and Thirty Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
130812
e2d321
One Hundred and Thirty 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.

1.30809e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0001a4dheckc03h521

The reciprocal of 130809 in Base 21 Unovigesimal.

Palindrome?

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

The number e2d021 is not a palindrome.

Not A Prime Number

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

One hundred and thirty thousand eight hundred and nine is a composite number with 8 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

One hundred and thirty thousand eight hundred and nine 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 one hundred and thirty thousand eight hundred and nine has the following 3 prime factors:

3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
6229
e2d21
Six Thousand Two Hundred and Twenty-Nine 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 · 7211 · e2d211 = e2d021

Base Conversions

The number one hundred and thirty thousand eight hundred and nine in 35 different bases