The Number

1918

One Thousand Nine Hundred and Eightteen

Nearby Numbers

Positive, nonzero integers within three units

1915
One Thousand Nine Hundred and Fifteen
1916
One Thousand Nine Hundred and Sixteen
1917
One Thousand Nine Hundred and Seventeen
1919
One Thousand Nine Hundred and Nineteen
1920
One Thousand Nine Hundred and Twenty
1921
One Thousand Nine Hundred and Twenty-One

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.

0.0005213764337851929

The reciprocal of 1918.

Palindrome?

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

The number 1918 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 10 Decimal

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
Two
7
Seven
137
One Hundred and Thirty-Seven

Prime Factorization

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

21 · 71 · 1371 = 1918

Base Conversions

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