The Number

27805

Twenty-Seven Thousand Eight Hundred and Five

In Base 21 Unovigesimal Is

301121

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

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

Nearby Numbers

Positive, nonzero integers within three units

27802
300j21
Twenty-Seven Thousand Eight Hundred and Two in Base 21 Unovigesimal
27803
300k21
Twenty-Seven Thousand Eight Hundred and Three in Base 21 Unovigesimal
27804
301021
Twenty-Seven Thousand Eight Hundred and Four in Base 21 Unovigesimal
27806
301221
Twenty-Seven Thousand Eight Hundred and Six in Base 21 Unovigesimal
27807
301321
Twenty-Seven Thousand Eight Hundred and Seven in Base 21 Unovigesimal
27808
301421
Twenty-Seven Thousand Eight Hundred and Eight in Base 21 Unovigesimal

Scientific Notation

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

2.7805e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006kibehj31dc921

The reciprocal of 27805 in Base 21 Unovigesimal.

Palindrome?

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

The number 301121 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 eight hundred and five 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.

Twenty-seven thousand eight hundred and five 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 twenty-seven thousand eight hundred and five has the following 3 prime factors:

5
521
Five in Base 21 Unovigesimal
67
3421
Sixty-Seven in Base 21 Unovigesimal
83
3k21
Eighty-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

5211 · 34211 · 3k211 = 301121

Base Conversions

The number twenty-seven thousand eight hundred and five in 35 different bases