The Number

3821

Three Thousand Eight Hundred and Twenty-One

Nearby Numbers

Positive, nonzero integers within three units

3818
Three Thousand Eight Hundred and Eightteen
3819
Three Thousand Eight Hundred and Nineteen
3820
Three Thousand Eight Hundred and Twenty
3822
Three Thousand Eight Hundred and Twenty-Two
3823
Three Thousand Eight Hundred and Twenty-Three
3824
Three Thousand Eight Hundred and Twenty-Four

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.

0.00026171159382360636

The reciprocal of 3821.

Palindrome?

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

The number 3821 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 10 Decimal

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
Three Thousand Eight Hundred and Twenty-One

Prime Factorization

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

38211 = 3821

Base Conversions

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