The Number

1918

One Thousand Nine Hundred and Eightteen

In Base 20 Vigesimal Is

4fi20

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

1915
4ff20
One Thousand Nine Hundred and Fifteen in Base 20 Vigesimal
1916
4fg20
One Thousand Nine Hundred and Sixteen in Base 20 Vigesimal
1917
4fh20
One Thousand Nine Hundred and Seventeen in Base 20 Vigesimal
1919
4fj20
One Thousand Nine Hundred and Nineteen in Base 20 Vigesimal
1920
4g020
One Thousand Nine Hundred and Twenty in Base 20 Vigesimal
1921
4g120
One Thousand Nine 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.

1.918e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0043881ge1j430220

The reciprocal of 1918 in Base 20 Vigesimal.

Palindrome?

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

The number 4fi20 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 nine hundred and eightteen is a composite number with 8 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

One thousand nine hundred and eightteen is a composite number with 8 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 nine hundred and eightteen has the following 3 prime factors:

2
220
Two in Base 20 Vigesimal
7
720
Seven in Base 20 Vigesimal
137
6h20
One Hundred and Thirty-Seven 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 · 7201 · 6h201 = 4fi20

Base Conversions

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