The Number

21507

Twenty-One Thousand Five Hundred and Seven

In Base 28 Octovigesimal Is

rc328

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

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

Nearby Numbers

Positive, nonzero integers within three units

21504
rc028
Twenty-One Thousand Five Hundred and Four in Base 28 Octovigesimal
21505
rc128
Twenty-One Thousand Five Hundred and Five in Base 28 Octovigesimal
21506
rc228
Twenty-One Thousand Five Hundred and Six in Base 28 Octovigesimal
21508
rc428
Twenty-One Thousand Five Hundred and Eight in Base 28 Octovigesimal
21509
rc528
Twenty-One Thousand Five Hundred and Nine in Base 28 Octovigesimal
21510
rc628
Twenty-One Thousand Five Hundred and Ten in Base 28 Octovigesimal

Scientific Notation

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

2.1507e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010g65mi915k428

The reciprocal of 21507 in Base 28 Octovigesimal.

Palindrome?

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

The number rc328 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 seven 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 five hundred and seven 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 five hundred and seven has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
67
2b28
Sixty-Seven in Base 28 Octovigesimal
107
3n28
One Hundred and Seven in Base 28 Octovigesimal

Prime Factorization

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

3281 · 2b281 · 3n281 = rc328

Base Conversions

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