The Number

12820

Twelve Thousand Eight Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

12817
Twelve Thousand Eight Hundred and Seventeen
12818
Twelve Thousand Eight Hundred and Eightteen
12819
Twelve Thousand Eight Hundred and Nineteen
12821
Twelve Thousand Eight Hundred and Twenty-One
12822
Twelve Thousand Eight Hundred and Twenty-Two
12823
Twelve 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.

1.2820e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00007800312012480499

The reciprocal of 12820.

Palindrome?

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

The number 12820 is not a palindrome.

Not A Prime Number

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

Twelve 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.

Twelve 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 twelve thousand eight hundred and twenty has the following 3 prime factors:

2
Two
5
Five
641
Six Hundred and Forty-One

Prime Factorization

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

22 · 51 · 6411 = 12820

Base Conversions

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