The Number

2820

Two Thousand Eight Hundred and Twenty

Nearby Numbers

Positive, nonzero integers within three units

2817
Two Thousand Eight Hundred and Seventeen
2818
Two Thousand Eight Hundred and Eightteen
2819
Two Thousand Eight Hundred and Nineteen
2821
Two Thousand Eight Hundred and Twenty-One
2822
Two Thousand Eight Hundred and Twenty-Two
2823
Two 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.

2.820e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0003546099290780142

The reciprocal of 2820.

Palindrome?

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

The number 2820 is not a palindrome.

Not A Prime Number

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

Two thousand eight hundred and twenty is a composite number with 24 total factors (including 1 and itself).   See primes in Base 10 Decimal

A Composite

Composites have more than just these two factors.

Two thousand eight hundred and twenty is a composite number with 24 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 thousand eight hundred and twenty has the following 4 prime factors:

2
Two
3
Three
5
Five
47
Forty-Seven

Prime Factorization

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

22 · 31 · 51 · 471 = 2820

Base Conversions

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