The Number

12821

Twelve Thousand Eight Hundred and Twenty-One

In Base 5 Quinary Is

4022415

The numbers with a 5 subscript use Base 5 Quinary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

12818
4022335
Twelve Thousand Eight Hundred and Eightteen in Base 5 Quinary
12819
4022345
Twelve Thousand Eight Hundred and Nineteen in Base 5 Quinary
12820
4022405
Twelve Thousand Eight Hundred and Twenty in Base 5 Quinary
12822
4022425
Twelve Thousand Eight Hundred and Twenty-Two in Base 5 Quinary
12823
4022435
Twelve Thousand Eight Hundred and Twenty-Three in Base 5 Quinary
12824
4022445
Twelve Thousand Eight Hundred and Twenty-Four in Base 5 Quinary

Scientific Notation

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

1.2821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000011021321103101431012215

The reciprocal of 12821 in Base 5 Quinary.

Palindrome?

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

The number 4022415 is not a palindrome.

A Prime Number

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

Twelve thousand eight hundred and twenty-one is the 1528th prime number.   See primes in Base 5 Quinary

Not A Composite

Composites have more than just these two factors.

Twelve Thousand Eight Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Twelve 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 twelve thousand eight hundred and twenty-one has the following 1 prime factor:

12821
4022415
Twelve Thousand Eight Hundred and Twenty-One in Base 5 Quinary

Prime Factorization

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

40224151 = 4022415

Base Conversions

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