The Number

19820

Nineteen Thousand Eight Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

19817
Nineteen Thousand Eight Hundred and Seventeen
19818
Nineteen Thousand Eight Hundred and Eightteen
19819
Nineteen Thousand Eight Hundred and Nineteen
19821
Nineteen Thousand Eight Hundred and Twenty-One
19822
Nineteen Thousand Eight Hundred and Twenty-Two
19823
Nineteen Thousand Eight Hundred and Twenty-Three

Scientific Notation

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

1.9820e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000050454086781029264

The reciprocal of 19820.

Palindrome?

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

The number 19820 is not a palindrome.

Not A Prime Number

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

Nineteen thousand eight hundred and twenty is a composite number with 12 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Nineteen thousand eight hundred and twenty 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 nineteen thousand eight hundred and twenty has the following 3 prime factors:

2
Two
5
Five
991
Nine Hundred and Ninety-One

Prime Factorization

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

22 · 51 · 9911 = 19820

Base Conversions

The number nineteen thousand eight hundred and twenty in 35 different bases