The Number

21684

Twenty-One Thousand Six Hundred and Eighty-Four

In Base 28 Octovigesimal Is

ric28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21681
ri928
Twenty-One Thousand Six Hundred and Eighty-One in Base 28 Octovigesimal
21682
ria28
Twenty-One Thousand Six Hundred and Eighty-Two in Base 28 Octovigesimal
21683
rib28
Twenty-One Thousand Six Hundred and Eighty-Three in Base 28 Octovigesimal
21685
rid28
Twenty-One Thousand Six Hundred and Eighty-Five in Base 28 Octovigesimal
21686
rie28
Twenty-One Thousand Six Hundred and Eighty-Six in Base 28 Octovigesimal
21687
rif28
Twenty-One Thousand Six Hundred and Eighty-Seven in Base 28 Octovigesimal

Scientific Notation

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

2.1684e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00109j8knjempm28

The reciprocal of 21684 in Base 28 Octovigesimal.

Palindrome?

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

The number ric28 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 six hundred and eighty-four is a composite number with 24 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand six hundred and eighty-four is a composite number with 24 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 six hundred and eighty-four has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
13
d28
Thirteen in Base 28 Octovigesimal
139
4r28
One Hundred and Thirty-Nine in Base 28 Octovigesimal

Prime Factorization

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

2282 · 3281 · d281 · 4r281 = ric28

Base Conversions

The number twenty-one thousand six hundred and eighty-four in 35 different bases