The Number

19821

Nineteen Thousand Eight Hundred and Twenty-One

In Base 28 Octovigesimal Is

p7p28

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

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

Nearby Numbers

Positive, nonzero integers within three units

19818
p7m28
Nineteen Thousand Eight Hundred and Eightteen in Base 28 Octovigesimal
19819
p7n28
Nineteen Thousand Eight Hundred and Nineteen in Base 28 Octovigesimal
19820
p7o28
Nineteen Thousand Eight Hundred and Twenty in Base 28 Octovigesimal
19822
p7q28
Nineteen Thousand Eight Hundred and Twenty-Two in Base 28 Octovigesimal
19823
p7r28
Nineteen Thousand Eight Hundred and Twenty-Three in Base 28 Octovigesimal
19824
p8028
Nineteen Thousand Eight Hundred and Twenty-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.

1.9821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.001308313a75i228

The reciprocal of 19821 in Base 28 Octovigesimal.

Palindrome?

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

The number p7p28 is a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Nineteen thousand eight hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Nineteen thousand eight hundred and twenty-one is a composite number with 4 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 nineteen thousand eight hundred and twenty-one has the following 2 prime factors:

3
328
Three in Base 28 Octovigesimal
6607
8br28
Six Thousand Six Hundred and 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

3281 · 8br281 = p7p28

Base Conversions

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