The Number

2820

Two Thousand Eight Hundred and Twenty

In Base 15 Quindecimal Is

c8015

The numbers with a 15 subscript use Base 15 Quindecimal notation.

For more familiar numbers: See Two Thousand Eight Hundred and Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

2817
c7c15
Two Thousand Eight Hundred and Seventeen in Base 15 Quindecimal
2818
c7d15
Two Thousand Eight Hundred and Eightteen in Base 15 Quindecimal
2819
c7e15
Two Thousand Eight Hundred and Nineteen in Base 15 Quindecimal
2821
c8115
Two Thousand Eight Hundred and Twenty-One in Base 15 Quindecimal
2822
c8215
Two Thousand Eight Hundred and Twenty-Two in Base 15 Quindecimal
2823
c8315
Two Thousand Eight Hundred and Twenty-Three in Base 15 Quindecimal

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.

0.0012e4366e1c7d7415

The reciprocal of 2820 in Base 15 Quindecimal.

Palindrome?

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

The number c8015 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 15 Quindecimal

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
215
Two in Base 15 Quindecimal
3
315
Three in Base 15 Quindecimal
5
515
Five in Base 15 Quindecimal
47
3215
Forty-Seven in Base 15 Quindecimal

Prime Factorization

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

2152 · 3151 · 5151 · 32151 = c8015

Base Conversions

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