The Number

216804

Two Hundred and Sixteen Thousand Eight Hundred and Four

In Base 21 Unovigesimal Is

128d021

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

For more familiar numbers: See Two Hundred and Sixteen Thousand Eight Hundred and Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

216801
128ci21
Two Hundred and Sixteen Thousand Eight Hundred and One in Base 21 Unovigesimal
216802
128cj21
Two Hundred and Sixteen Thousand Eight Hundred and Two in Base 21 Unovigesimal
216803
128ck21
Two Hundred and Sixteen Thousand Eight Hundred and Three in Base 21 Unovigesimal
216805
128d121
Two Hundred and Sixteen Thousand Eight Hundred and Five in Base 21 Unovigesimal
216806
128d221
Two Hundred and Sixteen Thousand Eight Hundred and Six in Base 21 Unovigesimal
216807
128d321
Two Hundred and Sixteen Thousand Eight Hundred and Seven in Base 21 Unovigesimal

Scientific Notation

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

2.16804e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ihc99fj1f1ki21

The reciprocal of 216804 in Base 21 Unovigesimal.

Palindrome?

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

The number 128d021 is not a palindrome.

Not A Prime Number

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

Two hundred and sixteen thousand eight hundred and four is a composite number with 48 total factors (including 1 and itself).   See primes in Base 21 Unovigesimal

A Composite

Composites have more than just these two factors.

Two hundred and sixteen thousand eight hundred and four is a composite number with 48 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 two hundred and sixteen thousand eight hundred and four has the following 5 prime factors:

2
221
Two in Base 21 Unovigesimal
3
321
Three in Base 21 Unovigesimal
7
721
Seven in Base 21 Unovigesimal
29
1821
Twenty-Nine in Base 21 Unovigesimal
89
4521
Eighty-Nine in Base 21 Unovigesimal

Prime Factorization

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

2212 · 3211 · 7211 · 18211 · 45211 = 128d021

Base Conversions

The number two hundred and sixteen thousand eight hundred and four in 35 different bases