The Number

21867

Twenty-One Thousand Eight Hundred and Sixty-Seven

In Base 28 Octovigesimal Is

ror28

The numbers with a 28 subscript use Base 28 Octovigesimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21864
roo28
Twenty-One Thousand Eight Hundred and Sixty-Four in Base 28 Octovigesimal
21865
rop28
Twenty-One Thousand Eight Hundred and Sixty-Five in Base 28 Octovigesimal
21866
roq28
Twenty-One Thousand Eight Hundred and Sixty-Six in Base 28 Octovigesimal
21868
rp028
Twenty-One Thousand Eight Hundred and Sixty-Eight in Base 28 Octovigesimal
21869
rp128
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 28 Octovigesimal
21870
rp228
Twenty-One Thousand Eight Hundred and Seventy in Base 28 Octovigesimal

Scientific Notation

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

2.1867e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0010319712a85728

The reciprocal of 21867 in Base 28 Octovigesimal.

Palindrome?

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

The number ror28 is a palindrome.

Not A Prime Number

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

Twenty-one thousand eight hundred and sixty-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 28 Octovigesimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and sixty-seven is a composite number with 8 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 twenty-one thousand eight hundred and sixty-seven has the following 3 prime factors:

3
328
Three in Base 28 Octovigesimal
37
1928
Thirty-Seven in Base 28 Octovigesimal
197
7128
One Hundred and Ninety-Seven in Base 28 Octovigesimal

Prime Factorization

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

3281 · 19281 · 71281 = ror28

Base Conversions

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