The Number

21555

Twenty-One Thousand Five Hundred and Fifty-Five

In Base 28 Octovigesimal Is

rdn28

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

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

Nearby Numbers

Positive, nonzero integers within three units

21552
rdk28
Twenty-One Thousand Five Hundred and Fifty-Two in Base 28 Octovigesimal
21553
rdl28
Twenty-One Thousand Five Hundred and Fifty-Three in Base 28 Octovigesimal
21554
rdm28
Twenty-One Thousand Five Hundred and Fifty-Four in Base 28 Octovigesimal
21556
rdo28
Twenty-One Thousand Five Hundred and Fifty-Six in Base 28 Octovigesimal
21557
rdp28
Twenty-One Thousand Five Hundred and Fifty-Seven in Base 28 Octovigesimal
21558
rdq28
Twenty-One Thousand Five Hundred and Fifty-Eight in Base 28 Octovigesimal

Scientific Notation

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

2.1555e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010ec8kfnghek28

The reciprocal of 21555 in Base 28 Octovigesimal.

Palindrome?

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

The number rdn28 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 five hundred and fifty-five is a composite number with 12 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 five hundred and fifty-five 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 five hundred and fifty-five has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
479
h328
Four Hundred and Seventy-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

3282 · 5281 · h3281 = rdn28

Base Conversions

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