The Number

201920

Two Hundred and One Thousand Nine Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

201917
Two Hundred and One Thousand Nine Hundred and Seventeen
201918
Two Hundred and One Thousand Nine Hundred and Eightteen
201919
Two Hundred and One Thousand Nine Hundred and Nineteen
201921
Two Hundred and One Thousand Nine Hundred and Twenty-One
201922
Two Hundred and One Thousand Nine Hundred and Twenty-Two
201923
Two Hundred and 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.

2.01920e5

Reciprocal

A number multiplied with its reciprocal is one.

0.000004952456418383518

The reciprocal of 201920.

Palindrome?

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

The number 201920 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Two hundred and one thousand nine hundred and twenty is a composite number with 28 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two hundred and one thousand nine hundred and twenty is a composite number with 28 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 two hundred and one thousand nine hundred and twenty has the following 3 prime factors:

2
Two
5
Five
631
Six Hundred and Thirty-One

Prime Factorization

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

26 · 51 · 6311 = 201920

Base Conversions

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