The Number

21899

Twenty-One Thousand Eight Hundred and Ninety-Nine

In Base 21 Unovigesimal Is

27dh21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21896
27de21
Twenty-One Thousand Eight Hundred and Ninety-Six in Base 21 Unovigesimal
21897
27df21
Twenty-One Thousand Eight Hundred and Ninety-Seven in Base 21 Unovigesimal
21898
27dg21
Twenty-One Thousand Eight Hundred and Ninety-Eight in Base 21 Unovigesimal
21900
27di21
Twenty-One Thousand Nine Hundred in Base 21 Unovigesimal
21901
27dj21
Twenty-One Thousand Nine Hundred and One in Base 21 Unovigesimal
21902
27dk21
Twenty-One Thousand Nine Hundred and Two in Base 21 Unovigesimal

Scientific Notation

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

2.1899e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008ia95198kj3k21

The reciprocal of 21899 in Base 21 Unovigesimal.

Palindrome?

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

The number 27dh21 is not a palindrome.

Not A Prime Number

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

Twenty-one thousand eight hundred and ninety-nine is a composite number with 4 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and ninety-nine is a composite number with 4 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-one thousand eight hundred and ninety-nine has the following 2 prime factors:

61
2j21
Sixty-One in Base 21 Unovigesimal
359
h221
Three Hundred and Fifty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2j211 · h2211 = 27dh21

Base Conversions

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