The Number

27980

Twenty-Seven Thousand Nine Hundred and Eighty

In Base 18 Octodecimal Is

4e6818

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

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

Nearby Numbers

Positive, nonzero integers within three units

27977
4e6518
Twenty-Seven Thousand Nine Hundred and Seventy-Seven in Base 18 Octodecimal
27978
4e6618
Twenty-Seven Thousand Nine Hundred and Seventy-Eight in Base 18 Octodecimal
27979
4e6718
Twenty-Seven Thousand Nine Hundred and Seventy-Nine in Base 18 Octodecimal
27981
4e6918
Twenty-Seven Thousand Nine Hundred and Eighty-One in Base 18 Octodecimal
27982
4e6a18
Twenty-Seven Thousand Nine Hundred and Eighty-Two in Base 18 Octodecimal
27983
4e6b18
Twenty-Seven Thousand Nine Hundred and Eighty-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.

2.7980e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003d9ab63228f1118

The reciprocal of 27980 in Base 18 Octodecimal.

Palindrome?

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

The number 4e6818 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 eighty is a composite number with 12 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 eighty 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 twenty-seven thousand nine hundred and eighty has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
1399
45d18
One Thousand Three Hundred and Ninety-Nine in Base 18 Octodecimal

Prime Factorization

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

2182 · 5181 · 45d181 = 4e6818

Base Conversions

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