The Number

27990

Twenty-Seven Thousand Nine Hundred and Ninety

In Base 18 Octodecimal Is

4e7018

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

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

Nearby Numbers

Positive, nonzero integers within three units

27987
4e6f18
Twenty-Seven Thousand Nine Hundred and Eighty-Seven in Base 18 Octodecimal
27988
4e6g18
Twenty-Seven Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
27989
4e6h18
Twenty-Seven Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
27991
4e7118
Twenty-Seven Thousand Nine Hundred and Ninety-One in Base 18 Octodecimal
27992
4e7218
Twenty-Seven Thousand Nine Hundred and Ninety-Two in Base 18 Octodecimal
27993
4e7318
Twenty-Seven 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.

2.7990e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003d92eb6ah984218

The reciprocal of 27990 in Base 18 Octodecimal.

Palindrome?

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

The number 4e7018 is not a palindrome.

Not A Prime Number

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

Twenty-seven thousand nine hundred and ninety is a composite number with 24 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-seven thousand nine hundred and ninety is a composite number with 24 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 twenty-seven thousand nine hundred and ninety has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
311
h518
Three Hundred and Eleven 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 · 3182 · 5181 · h5181 = 4e7018

Base Conversions

The number twenty-seven thousand nine hundred and ninety in 35 different bases