The Number

21638

Twenty-One Thousand Six Hundred and Thirty-Eight

In Base 28 Octovigesimal Is

rgm28

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

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

Nearby Numbers

Positive, nonzero integers within three units

21635
rgj28
Twenty-One Thousand Six Hundred and Thirty-Five in Base 28 Octovigesimal
21636
rgk28
Twenty-One Thousand Six Hundred and Thirty-Six in Base 28 Octovigesimal
21637
rgl28
Twenty-One Thousand Six Hundred and Thirty-Seven in Base 28 Octovigesimal
21639
rgn28
Twenty-One Thousand Six Hundred and Thirty-Nine in Base 28 Octovigesimal
21640
rgo28
Twenty-One Thousand Six Hundred and Forty in Base 28 Octovigesimal
21641
rgp28
Twenty-One Thousand Six Hundred and Forty-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.

2.1638e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010bafgalknno28

The reciprocal of 21638 in Base 28 Octovigesimal.

Palindrome?

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

The number rgm28 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 thirty-eight is a composite number with 8 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 thirty-eight is a composite number with 8 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 thirty-eight has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
31
1328
Thirty-One in Base 28 Octovigesimal
349
cd28
Three Hundred and Forty-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

2281 · 13281 · cd281 = rgm28

Base Conversions

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