The Number

21328

Twenty-One Thousand Three Hundred and Twenty-Eight

In Base 28 Octovigesimal Is

r5k28

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

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

Nearby Numbers

Positive, nonzero integers within three units

21325
r5h28
Twenty-One Thousand Three Hundred and Twenty-Five in Base 28 Octovigesimal
21326
r5i28
Twenty-One Thousand Three Hundred and Twenty-Six in Base 28 Octovigesimal
21327
r5j28
Twenty-One Thousand Three Hundred and Twenty-Seven in Base 28 Octovigesimal
21329
r5l28
Twenty-One Thousand Three Hundred and Twenty-Nine in Base 28 Octovigesimal
21330
r5m28
Twenty-One Thousand Three Hundred and Thirty in Base 28 Octovigesimal
21331
r5n28
Twenty-One Thousand Three Hundred and Thirty-One in Base 28 Octovigesimal

Scientific Notation

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

2.1328e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010mq7542j7pk28

The reciprocal of 21328 in Base 28 Octovigesimal.

Palindrome?

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

The number r5k28 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 three hundred and twenty-eight is a composite number with 20 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 three hundred and twenty-eight is a composite number with 20 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 three hundred and twenty-eight has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
31
1328
Thirty-One in Base 28 Octovigesimal
43
1f28
Forty-Three in Base 28 Octovigesimal

Prime Factorization

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

2284 · 13281 · 1f281 = r5k28

Base Conversions

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