The Number

21854

Twenty-One Thousand Eight Hundred and Fifty-Four

In Base 21 Unovigesimal Is

27be21

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

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

Nearby Numbers

Positive, nonzero integers within three units

21851
27bb21
Twenty-One Thousand Eight Hundred and Fifty-One in Base 21 Unovigesimal
21852
27bc21
Twenty-One Thousand Eight Hundred and Fifty-Two in Base 21 Unovigesimal
21853
27bd21
Twenty-One Thousand Eight Hundred and Fifty-Three in Base 21 Unovigesimal
21855
27bf21
Twenty-One Thousand Eight Hundred and Fifty-Five in Base 21 Unovigesimal
21856
27bg21
Twenty-One Thousand Eight Hundred and Fifty-Six in Base 21 Unovigesimal
21857
27bh21
Twenty-One Thousand Eight Hundred and Fifty-Seven in Base 21 Unovigesimal

Scientific Notation

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

2.1854e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0008iiaca0chjf6c21

The reciprocal of 21854 in Base 21 Unovigesimal.

Palindrome?

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

The number 27be21 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 fifty-four is a composite number with 12 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 fifty-four 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-one thousand eight hundred and fifty-four has the following 3 prime factors:

2
221
Two in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
223
ad21
Two Hundred and Twenty-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

2211 · 7212 · ad211 = 27be21

Base Conversions

The number twenty-one thousand eight hundred and fifty-four in 35 different bases