The Number

21393

Twenty-One Thousand Three Hundred and Ninety-Three

In Base 28 Octovigesimal Is

r8128

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

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

Nearby Numbers

Positive, nonzero integers within three units

21390
r7q28
Twenty-One Thousand Three Hundred and Ninety in Base 28 Octovigesimal
21391
r7r28
Twenty-One Thousand Three Hundred and Ninety-One in Base 28 Octovigesimal
21392
r8028
Twenty-One Thousand Three Hundred and Ninety-Two in Base 28 Octovigesimal
21394
r8228
Twenty-One Thousand Three Hundred and Ninety-Four in Base 28 Octovigesimal
21395
r8328
Twenty-One Thousand Three Hundred and Ninety-Five in Base 28 Octovigesimal
21396
r8428
Twenty-One Thousand Three Hundred and Ninety-Six in Base 28 Octovigesimal

Scientific Notation

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

2.1393e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010kdgri3r57n28

The reciprocal of 21393 in Base 28 Octovigesimal.

Palindrome?

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

The number r8128 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 ninety-three is a composite number with 6 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 ninety-three is a composite number with 6 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 ninety-three has the following 2 prime factors:

3
328
Three in Base 28 Octovigesimal
2377
30p28
Two Thousand Three Hundred and Seventy-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

3282 · 30p281 = r8128

Base Conversions

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