The Number

21801

Twenty-One Thousand Eight Hundred and One

In Base 28 Octovigesimal Is

rmh28

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

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

Nearby Numbers

Positive, nonzero integers within three units

21798
rme28
Twenty-One Thousand Seven Hundred and Ninety-Eight in Base 28 Octovigesimal
21799
rmf28
Twenty-One Thousand Seven Hundred and Ninety-Nine in Base 28 Octovigesimal
21800
rmg28
Twenty-One Thousand Eight Hundred in Base 28 Octovigesimal
21802
rmi28
Twenty-One Thousand Eight Hundred and Two in Base 28 Octovigesimal
21803
rmj28
Twenty-One Thousand Eight Hundred and Three in Base 28 Octovigesimal
21804
rmk28
Twenty-One Thousand Eight Hundred and Four in Base 28 Octovigesimal

Scientific Notation

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

2.1801e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00105c17qpq5o828

The reciprocal of 21801 in Base 28 Octovigesimal.

Palindrome?

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

The number rmh28 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 eight hundred and one 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 eight hundred and one 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 eight hundred and one has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
13
d28
Thirteen in Base 28 Octovigesimal
43
1f28
Forty-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

3281 · d282 · 1f281 = rmh28

Base Conversions

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