The Number

131990

One Hundred and Thirty-One Thousand Nine Hundred and Ninety

In Base 18 Octodecimal Is

14b6e18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

131987
14b6b18
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
131988
14b6c18
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
131989
14b6d18
One Hundred and Thirty-One Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
131991
14b6f18
One Hundred and Thirty-One Thousand Nine Hundred and Ninety-One in Base 18 Octodecimal
131992
14b6g18
One Hundred and Thirty-One Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
131993
14b6h18
One Hundred and Thirty-One Thousand Nine Hundred and Ninety-Three in Base 18 Octodecimal

Scientific Notation

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

1.31990e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000e5c6fd85fc4c318

The reciprocal of 131990 in Base 18 Octodecimal.

Palindrome?

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

The number 14b6e18 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 nine hundred and ninety is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and thirty-one thousand nine hundred and ninety is a composite number with 16 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 nine hundred and ninety has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
67
3d18
Sixty-Seven in Base 18 Octodecimal
197
ah18
One Hundred and Ninety-Seven in Base 18 Octodecimal

Prime Factorization

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

2181 · 5181 · 3d181 · ah181 = 14b6e18

Base Conversions

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