The Number

28644

Twenty-Eight Thousand Six Hundred and Forty-Four

In Base 21 Unovigesimal Is

31k021

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

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

Nearby Numbers

Positive, nonzero integers within three units

28641
31ji21
Twenty-Eight Thousand Six Hundred and Forty-One in Base 21 Unovigesimal
28642
31jj21
Twenty-Eight Thousand Six Hundred and Forty-Two in Base 21 Unovigesimal
28643
31jk21
Twenty-Eight Thousand Six Hundred and Forty-Three in Base 21 Unovigesimal
28645
31k121
Twenty-Eight Thousand Six Hundred and Forty-Five in Base 21 Unovigesimal
28646
31k221
Twenty-Eight Thousand Six Hundred and Forty-Six in Base 21 Unovigesimal
28647
31k321
Twenty-Eight Thousand Six Hundred and Forty-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.

2.8644e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0006gc4830ebb38621

The reciprocal of 28644 in Base 21 Unovigesimal.

Palindrome?

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

The number 31k021 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand six hundred and forty-four is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand six hundred and forty-four is a composite number with 48 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-eight thousand six hundred and forty-four has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
11
b21
Eleven in Base 21 Unovigesimal
31
1a21
Thirty-One in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 7211 · b211 · 1a211 = 31k021

Base Conversions

The number twenty-eight thousand six hundred and forty-four in 35 different bases