The Number

1818

One Thousand Eight Hundred and Eightteen

In Base 11 Undecimal Is

140311

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

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

Nearby Numbers

Positive, nonzero integers within three units

1815
140011
One Thousand Eight Hundred and Fifteen in Base 11 Undecimal
1816
140111
One Thousand Eight Hundred and Sixteen in Base 11 Undecimal
1817
140211
One Thousand Eight Hundred and Seventeen in Base 11 Undecimal
1819
140411
One Thousand Eight Hundred and Nineteen in Base 11 Undecimal
1820
140511
One Thousand Eight Hundred and Twenty in Base 11 Undecimal
1821
140611
One Thousand Eight Hundred and Twenty-One in Base 11 Undecimal

Scientific Notation

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

1.818e3

Reciprocal

A number multiplied with its reciprocal is one.

0.000806501a260250a7711

The reciprocal of 1818 in Base 11 Undecimal.

Palindrome?

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

The number 140311 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 eightteen 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 eightteen 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 eightteen has the following 3 prime factors:

2
211
Two in Base 11 Undecimal
3
311
Three in Base 11 Undecimal
101
9211
One 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

2111 · 3112 · 92111 = 140311

Base Conversions

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