The Number

813

Eight Hundred and Thirteen

In Base 11 Undecimal Is

67a11

The numbers with a 11 subscript use Base 11 Undecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

810
67711
Eight Hundred and Ten in Base 11 Undecimal
811
67811
Eight Hundred and Eleven in Base 11 Undecimal
812
67911
Eight Hundred and Twelve in Base 11 Undecimal
814
68011
Eight Hundred and Fourteen in Base 11 Undecimal
815
68111
Eight Hundred and Fifteen in Base 11 Undecimal
816
68211
Eight Hundred and Sixteen in Base 11 Undecimal

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.

0.0017010507324705a611

The reciprocal of 813 in Base 11 Undecimal.

Palindrome?

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

The number 67a11 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 11 Undecimal

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
311
Three in Base 11 Undecimal
271
22711
Two Hundred and Seventy-One in Base 11 Undecimal

Prime Factorization

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

3111 · 227111 = 67a11

Base Conversions

The number eight hundred and thirteen in 35 different bases