The Number

813

Eight Hundred and Thirteen

In Base 20 Vigesimal Is

20d20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

810
20a20
Eight Hundred and Ten in Base 20 Vigesimal
811
20b20
Eight Hundred and Eleven in Base 20 Vigesimal
812
20c20
Eight Hundred and Twelve in Base 20 Vigesimal
814
20e20
Eight Hundred and Fourteen in Base 20 Vigesimal
815
20f20
Eight Hundred and Fifteen in Base 20 Vigesimal
816
20g20
Eight Hundred and Sixteen in Base 20 Vigesimal

Scientific Notation

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

8.13e2

Reciprocal

A number multiplied with its reciprocal is one.

0.009gg0fehd53g5420

The reciprocal of 813 in Base 20 Vigesimal.

Palindrome?

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

The number 20d20 is not a palindrome.

Not A Prime Number

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

Eight hundred and thirteen is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Eight hundred and thirteen 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 eight hundred and thirteen has the following 2 prime factors:

3
320
Three in Base 20 Vigesimal
271
db20
Two Hundred and Seventy-One in Base 20 Vigesimal

Prime Factorization

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

3201 · db201 = 20d20

Base Conversions

The number eight hundred and thirteen in 35 different bases