The Number

21308

Twenty-One Thousand Three Hundred and Eight

In Base 28 Octovigesimal Is

r5028

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

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

Nearby Numbers

Positive, nonzero integers within three units

21305
r4p28
Twenty-One Thousand Three Hundred and Five in Base 28 Octovigesimal
21306
r4q28
Twenty-One Thousand Three Hundred and Six in Base 28 Octovigesimal
21307
r4r28
Twenty-One Thousand Three Hundred and Seven in Base 28 Octovigesimal
21309
r5128
Twenty-One Thousand Three Hundred and Nine in Base 28 Octovigesimal
21310
r5228
Twenty-One Thousand Three Hundred and Ten in Base 28 Octovigesimal
21311
r5328
Twenty-One Thousand Three Hundred and Eleven in Base 28 Octovigesimal

Scientific Notation

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

2.1308e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010njcrikakn428

The reciprocal of 21308 in Base 28 Octovigesimal.

Palindrome?

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

The number r5028 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 eight 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 three hundred and eight 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 three hundred and eight has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
7
728
Seven in Base 28 Octovigesimal
761
r528
Seven Hundred and Sixty-One in Base 28 Octovigesimal

Prime Factorization

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

2282 · 7281 · r5281 = r5028

Base Conversions

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