The Number

1803

One Thousand Eight Hundred and Three

In Base 11 Undecimal Is

139a11

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

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

Nearby Numbers

Positive, nonzero integers within three units

1800
139711
One Thousand Eight Hundred in Base 11 Undecimal
1801
139811
One Thousand Eight Hundred and One in Base 11 Undecimal
1802
139911
One Thousand Eight Hundred and Two in Base 11 Undecimal
1804
13a011
One Thousand Eight Hundred and Four in Base 11 Undecimal
1805
13a111
One Thousand Eight Hundred and Five in Base 11 Undecimal
1806
13a211
One Thousand Eight Hundred and Six in Base 11 Undecimal

Scientific Notation

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

1.803e3

Reciprocal

A number multiplied with its reciprocal is one.

0.00081362131843867711

The reciprocal of 1803 in Base 11 Undecimal.

Palindrome?

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

The number 139a11 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 three is a composite number with 4 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 three is a composite number with 4 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 three has the following 2 prime factors:

3
311
Three in Base 11 Undecimal
601
4a711
Six Hundred and 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

3111 · 4a7111 = 139a11

Base Conversions

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