The Number

21312

Twenty-One Thousand Three Hundred and Twelve

In Base 28 Octovigesimal Is

r5428

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

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

Nearby Numbers

Positive, nonzero integers within three units

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
21313
r5528
Twenty-One Thousand Three Hundred and Thirteen in Base 28 Octovigesimal
21314
r5628
Twenty-One Thousand Three Hundred and Fourteen in Base 28 Octovigesimal
21315
r5728
Twenty-One Thousand Three Hundred and Fifteen in Base 28 Octovigesimal

Scientific Notation

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

2.1312e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010nf63o8bc5b28

The reciprocal of 21312 in Base 28 Octovigesimal.

Palindrome?

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

The number r5428 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 twelve is a composite number with 42 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 twelve is a composite number with 42 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 twelve has the following 3 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
37
1928
Thirty-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

2286 · 3282 · 19281 = r5428

Base Conversions

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