The Number

809

Eight Hundred and Nine

In Base 28 Octovigesimal Is

10p28

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

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

Nearby Numbers

Positive, nonzero integers within three units

806
10m28
Eight Hundred and Six in Base 28 Octovigesimal
807
10n28
Eight Hundred and Seven in Base 28 Octovigesimal
808
10o28
Eight Hundred and Eight in Base 28 Octovigesimal
810
10q28
Eight Hundred and Ten in Base 28 Octovigesimal
811
10r28
Eight Hundred and Eleven in Base 28 Octovigesimal
812
11028
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.

8.09e2

Reciprocal

A number multiplied with its reciprocal is one.

0.00r3lhj5nllfk28

The reciprocal of 809 in Base 28 Octovigesimal.

Palindrome?

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

The number 10p28 is not a palindrome.

A Prime Number

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

Eight hundred and nine is the 140th prime number.   See primes in Base 28 Octovigesimal

Not A Composite

Composites have more than just these two factors.

Eight Hundred and Nine is not a composite number because it has exactly two factors: One and Eight Hundred and Nine

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number eight hundred and nine has the following 1 prime factor:

809
10p28
Eight Hundred and Nine in Base 28 Octovigesimal

Prime Factorization

The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities

10p281 = 10p28

Base Conversions

The number eight hundred and nine in 35 different bases