The Number

3821

Three Thousand Eight Hundred and Twenty-One

In Base 21 Unovigesimal Is

8dk21

The numbers with a 21 subscript use Base 21 Unovigesimal notation.

For more familiar numbers: See Three Thousand Eight Hundred and Twenty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

3818
8dh21
Three Thousand Eight Hundred and Eightteen in Base 21 Unovigesimal
3819
8di21
Three Thousand Eight Hundred and Nineteen in Base 21 Unovigesimal
3820
8dj21
Three Thousand Eight Hundred and Twenty in Base 21 Unovigesimal
3822
8e021
Three Thousand Eight Hundred and Twenty-Two in Base 21 Unovigesimal
3823
8e121
Three Thousand Eight Hundred and Twenty-Three in Base 21 Unovigesimal
3824
8e221
Three Thousand Eight Hundred and Twenty-Four in Base 21 Unovigesimal

Scientific Notation

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

3.821e3

Reciprocal

A number multiplied with its reciprocal is one.

0.0028ihkfgjc9b2c21

The reciprocal of 3821 in Base 21 Unovigesimal.

Palindrome?

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

The number 8dk21 is not a palindrome.

A Prime Number

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

Three thousand eight hundred and twenty-one is the 530th prime number.   See primes in Base 21 Unovigesimal

Not A Composite

Composites have more than just these two factors.

Three Thousand Eight Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Three Thousand Eight Hundred and Twenty-One

Prime Factors

The prime factors of a positive integer are the integers that divide it exactly and are also prime.

The number three thousand eight hundred and twenty-one has the following 1 prime factor:

3821
8dk21
Three Thousand Eight Hundred and Twenty-One in Base 21 Unovigesimal

Prime Factorization

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

8dk211 = 8dk21

Base Conversions

The number three thousand eight hundred and twenty-one in 35 different bases