The Number

10821

Ten Thousand Eight Hundred and Twenty-One

In Base 20 Vigesimal Is

171120

The numbers with a 20 subscript use Base 20 Vigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

10818
170i20
Ten Thousand Eight Hundred and Eightteen in Base 20 Vigesimal
10819
170j20
Ten Thousand Eight Hundred and Nineteen in Base 20 Vigesimal
10820
171020
Ten Thousand Eight Hundred and Twenty in Base 20 Vigesimal
10822
171220
Ten Thousand Eight Hundred and Twenty-Two in Base 20 Vigesimal
10823
171320
Ten Thousand Eight Hundred and Twenty-Three in Base 20 Vigesimal
10824
171420
Ten Thousand Eight Hundred and Twenty-Four in Base 20 Vigesimal

Scientific Notation

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

1.0821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000efe8a54c4b4ca20

The reciprocal of 10821 in Base 20 Vigesimal.

Palindrome?

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

The number 171120 is not a palindrome.

Not A Prime Number

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

Ten thousand eight hundred and twenty-one is a composite number with 4 total factors (including 1 and itself).   See primes in Base 20 Vigesimal

A Composite

Composites have more than just these two factors.

Ten thousand eight hundred and twenty-one is a composite number with 4 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 ten thousand eight hundred and twenty-one has the following 2 prime factors:

3
320
Three in Base 20 Vigesimal
3607
90720
Three Thousand Six Hundred and Seven in Base 20 Vigesimal

Prime Factorization

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

3201 · 907201 = 171120

Base Conversions

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