The Number

21900

Twenty-One Thousand Nine Hundred

In Base 28 Octovigesimal Is

rq428

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

For more familiar numbers: See Twenty-One Thousand Nine Hundred in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21897
rq128
Twenty-One Thousand Eight Hundred and Ninety-Seven in Base 28 Octovigesimal
21898
rq228
Twenty-One Thousand Eight Hundred and Ninety-Eight in Base 28 Octovigesimal
21899
rq328
Twenty-One Thousand Eight Hundred and Ninety-Nine in Base 28 Octovigesimal
21901
rq528
Twenty-One Thousand Nine Hundred and One in Base 28 Octovigesimal
21902
rq628
Twenty-One Thousand Nine Hundred and Two in Base 28 Octovigesimal
21903
rq728
Twenty-One Thousand Nine Hundred and Three in Base 28 Octovigesimal

Scientific Notation

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

2.1900e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00101o3cmblho428

The reciprocal of 21900 in Base 28 Octovigesimal.

Palindrome?

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

The number rq428 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 nine hundred is a composite number with 36 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 nine hundred is a composite number with 36 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 nine hundred has the following 4 prime factors:

2
228
Two in Base 28 Octovigesimal
3
328
Three in Base 28 Octovigesimal
5
528
Five in Base 28 Octovigesimal
73
2h28
Seventy-Three 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 · 3281 · 5282 · 2h281 = rq428

Base Conversions

The number twenty-one thousand nine hundred in 35 different bases