The Number

131812

One Hundred and Thirty-One Thousand Eight Hundred and Twelve

In Base 21 Unovigesimal Is

e4ig21

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

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

Nearby Numbers

Positive, nonzero integers within three units

131809
e4id21
One Hundred and Thirty-One Thousand Eight Hundred and Nine in Base 21 Unovigesimal
131810
e4ie21
One Hundred and Thirty-One Thousand Eight Hundred and Ten in Base 21 Unovigesimal
131811
e4if21
One Hundred and Thirty-One Thousand Eight Hundred and Eleven in Base 21 Unovigesimal
131813
e4ih21
One Hundred and Thirty-One Thousand Eight Hundred and Thirteen in Base 21 Unovigesimal
131814
e4ii21
One Hundred and Thirty-One Thousand Eight Hundred and Fourteen in Base 21 Unovigesimal
131815
e4ij21
One Hundred and Thirty-One Thousand Eight Hundred and Fifteen in Base 21 Unovigesimal

Scientific Notation

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

1.31812e5

Reciprocal

A number multiplied with its reciprocal is one.

0.00019ke1a7b6f8ad21

The reciprocal of 131812 in Base 21 Unovigesimal.

Palindrome?

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

The number e4ig21 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-one thousand eight hundred and twelve is a composite number with 12 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-one thousand eight hundred and twelve is a composite number with 12 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-one thousand eight hundred and twelve has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal
1063
28d21
One Thousand and Sixty-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

2212 · 1a211 · 28d211 = e4ig21

Base Conversions

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