The Number

1811

One Thousand Eight Hundred and Eleven

In Base 13 Tridecimal Is

a9413

The numbers with a 13 subscript use Base 13 Tridecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1808
a9113
One Thousand Eight Hundred and Eight in Base 13 Tridecimal
1809
a9213
One Thousand Eight Hundred and Nine in Base 13 Tridecimal
1810
a9313
One Thousand Eight Hundred and Ten in Base 13 Tridecimal
1812
a9513
One Thousand Eight Hundred and Twelve in Base 13 Tridecimal
1813
a9613
One Thousand Eight Hundred and Thirteen in Base 13 Tridecimal
1814
a9713
One Thousand Eight Hundred and Fourteen in Base 13 Tridecimal

Scientific Notation

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

1.811e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0012a03713a49a13c13

The reciprocal of 1811 in Base 13 Tridecimal.

Palindrome?

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

The number a9413 is not a palindrome.

A Prime Number

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

One thousand eight hundred and eleven is the 280th prime number.   See primes in Base 13 Tridecimal

Not A Composite

Composites have more than just these two factors.

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

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 eleven has the following 1 prime factor:

1811
a9413
One Thousand Eight Hundred and Eleven in Base 13 Tridecimal

Prime Factorization

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

a94131 = a9413

Base Conversions

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