The Number

1818

One Thousand Eight Hundred and Eightteen

In Base 20 Vigesimal Is

4ai20

The numbers with a 20 subscript use Base 20 Vigesimal 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
4af20
One Thousand Eight Hundred and Fifteen in Base 20 Vigesimal
1816
4ag20
One Thousand Eight Hundred and Sixteen in Base 20 Vigesimal
1817
4ah20
One Thousand Eight Hundred and Seventeen in Base 20 Vigesimal
1819
4aj20
One Thousand Eight Hundred and Nineteen in Base 20 Vigesimal
1820
4b020
One Thousand Eight Hundred and Twenty in Base 20 Vigesimal
1821
4b120
One Thousand Eight Hundred and Twenty-One in Base 20 Vigesimal

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.

0.004803a82g6a5120

The reciprocal of 1818 in Base 20 Vigesimal.

Palindrome?

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

The number 4ai20 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 20 Vigesimal

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
220
Two in Base 20 Vigesimal
3
320
Three in Base 20 Vigesimal
101
5120
One Hundred and One in Base 20 Vigesimal

Prime Factorization

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

2201 · 3202 · 51201 = 4ai20

Base Conversions

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