The Number

1812

One Thousand Eight Hundred and Twelve

Nearby Numbers

Positive, nonzero integers within three units

1809
One Thousand Eight Hundred and Nine
1810
One Thousand Eight Hundred and Ten
1811
One Thousand Eight Hundred and Eleven
1813
One Thousand Eight Hundred and Thirteen
1814
One Thousand Eight Hundred and Fourteen
1815
One Thousand Eight Hundred and Fifteen

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.

0.0005518763796909492

The reciprocal of 1812.

Palindrome?

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

The number 1812 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 10 Decimal

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
Two
3
Three
151
One Hundred and Fifty-One

Prime Factorization

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

22 · 31 · 1511 = 1812

Base Conversions

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