The Number

1812

One Thousand Eight Hundred and Twelve

In Base 18 Octodecimal Is

5ac18

The numbers with a 18 subscript use Base 18 Octodecimal 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
5a918
One Thousand Eight Hundred and Nine in Base 18 Octodecimal
1810
5aa18
One Thousand Eight Hundred and Ten in Base 18 Octodecimal
1811
5ab18
One Thousand Eight Hundred and Eleven in Base 18 Octodecimal
1813
5ad18
One Thousand Eight Hundred and Thirteen in Base 18 Octodecimal
1814
5ae18
One Thousand Eight Hundred and Fourteen in Base 18 Octodecimal
1815
5af18
One Thousand Eight Hundred and Fifteen in Base 18 Octodecimal

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.

0.0033ge9dh0f067fb18

The reciprocal of 1812 in Base 18 Octodecimal.

Palindrome?

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

The number 5ac18 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 18 Octodecimal

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
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
151
8718
One Hundred and Fifty-One in Base 18 Octodecimal

Prime Factorization

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

2182 · 3181 · 87181 = 5ac18

Base Conversions

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