The Number

1920

One Thousand Nine Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

1917
One Thousand Nine Hundred and Seventeen
1918
One Thousand Nine Hundred and Eightteen
1919
One Thousand Nine Hundred and Nineteen
1921
One Thousand Nine Hundred and Twenty-One
1922
One Thousand Nine Hundred and Twenty-Two
1923
One Thousand Nine Hundred and Twenty-Three

Scientific Notation

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

1.920e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0005208333333333333

The reciprocal of 1920.

Palindrome?

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

The number 1920 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 twenty is a composite number with 32 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 twenty is a composite number with 32 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 twenty has the following 3 prime factors:

2
Two
3
Three
5
Five

Prime Factorization

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

27 · 31 · 51 = 1920

Base Conversions

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