The Number

16821

Sixteen Thousand Eight Hundred and Twenty-One

In Base 4 Quaternary Is

100123114

The numbers with a 4 subscript use Base 4 Quaternary notation.

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

Nearby Numbers

Positive, nonzero integers within three units

16818
100123024
Sixteen Thousand Eight Hundred and Eightteen in Base 4 Quaternary
16819
100123034
Sixteen Thousand Eight Hundred and Nineteen in Base 4 Quaternary
16820
100123104
Sixteen Thousand Eight Hundred and Twenty in Base 4 Quaternary
16822
100123124
Sixteen Thousand Eight Hundred and Twenty-Two in Base 4 Quaternary
16823
100123134
Sixteen Thousand Eight Hundred and Twenty-Three in Base 4 Quaternary
16824
100123204
Sixteen Thousand Eight Hundred and Twenty-Four in Base 4 Quaternary

Scientific Notation

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

1.6821e4

Reciprocal

A number multiplied with its reciprocal is one.

0.00000003321112112211323233300232024

The reciprocal of 16821 in Base 4 Quaternary.

Palindrome?

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

The number 100123114 is not a palindrome.

Not A Prime Number

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

Sixteen thousand eight hundred and twenty-one is a composite number with 16 total factors (including 1 and itself).   See primes in Base 4 Quaternary

A Composite

Composites have more than just these two factors.

Sixteen thousand eight hundred and twenty-one is a composite number with 16 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 sixteen thousand eight hundred and twenty-one has the following 3 prime factors:

3
34
Three in Base 4 Quaternary
7
134
Seven in Base 4 Quaternary
89
11214
Eighty-Nine in Base 4 Quaternary

Prime Factorization

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

343 · 1341 · 112141 = 100123114

Base Conversions

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