The Number

1813

One Thousand Eight Hundred and Thirteen

In Base 11 Undecimal Is

13a911

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

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

Nearby Numbers

Positive, nonzero integers within three units

1810
13a611
One Thousand Eight Hundred and Ten in Base 11 Undecimal
1811
13a711
One Thousand Eight Hundred and Eleven in Base 11 Undecimal
1812
13a811
One Thousand Eight Hundred and Twelve in Base 11 Undecimal
1814
13aa11
One Thousand Eight Hundred and Fourteen in Base 11 Undecimal
1815
140011
One Thousand Eight Hundred and Fifteen in Base 11 Undecimal
1816
140111
One Thousand 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.

1.813e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000809163971317024611

The reciprocal of 1813 in Base 11 Undecimal.

Palindrome?

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

The number 13a911 is not a palindrome.

Not A Prime Number

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

One thousand eight hundred and thirteen is a composite number with 6 total factors (including 1 and itself).   See primes in Base 11 Undecimal

A Composite

Composites have more than just these two factors.

One thousand eight hundred and thirteen is a composite number with 6 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 one thousand eight hundred and thirteen has the following 2 prime factors:

7
711
Seven in Base 11 Undecimal
37
3411
Thirty-Seven in Base 11 Undecimal

Prime Factorization

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

7112 · 34111 = 13a911

Base Conversions

The number one thousand eight hundred and thirteen in 35 different bases