The Number

19809

Nineteen Thousand Eight Hundred and Nine

In Base 28 Octovigesimal Is

p7d28

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

For more familiar numbers: See Nineteen Thousand Eight Hundred and Nine in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

19806
p7a28
Nineteen Thousand Eight Hundred and Six in Base 28 Octovigesimal
19807
p7b28
Nineteen Thousand Eight Hundred and Seven in Base 28 Octovigesimal
19808
p7c28
Nineteen Thousand Eight Hundred and Eight in Base 28 Octovigesimal
19810
p7e28
Nineteen Thousand Eight Hundred and Ten in Base 28 Octovigesimal
19811
p7f28
Nineteen Thousand Eight Hundred and Eleven in Base 28 Octovigesimal
19812
p7g28
Nineteen Thousand Eight Hundred and Twelve in Base 28 Octovigesimal

Scientific Notation

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

1.9809e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00130mnbmgi8h528

The reciprocal of 19809 in Base 28 Octovigesimal.

Palindrome?

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

The number p7d28 is not 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 nine 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.

Nineteen thousand eight hundred and nine 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 nineteen thousand eight hundred and nine has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
31
1328
Thirty-One in Base 28 Octovigesimal
71
2f28
Seventy-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

3282 · 13281 · 2f281 = p7d28

Base Conversions

The number nineteen thousand eight hundred and nine in 35 different bases