The Number

1812

One Thousand Eight Hundred and Twelve

In Base 11 Undecimal Is

13a811

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

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

Nearby Numbers

Positive, nonzero integers within three units

1809
13a511
One Thousand Eight Hundred and Nine in Base 11 Undecimal
1810
13a611
One Thousand Eight Hundred and Ten in Base 11 Undecimal
1811
13a711
One Thousand Eight Hundred and Eleven in Base 11 Undecimal
1813
13a911
One Thousand Eight Hundred and Thirteen 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

Scientific Notation

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

1.812e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0008097566a951183311

The reciprocal of 1812 in Base 11 Undecimal.

Palindrome?

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

The number 13a811 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 twelve is a composite number with 12 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 twelve is a composite number with 12 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 twelve has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
151
12811
One Hundred and Fifty-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

2112 · 3111 · 128111 = 13a811

Base Conversions

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