The Number

21827

Twenty-One Thousand Eight Hundred and Twenty-Seven

In Base 18 Octodecimal Is

3d6b18

The numbers with a 18 subscript use Base 18 Octodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21824
3d6818
Twenty-One Thousand Eight Hundred and Twenty-Four in Base 18 Octodecimal
21825
3d6918
Twenty-One Thousand Eight Hundred and Twenty-Five in Base 18 Octodecimal
21826
3d6a18
Twenty-One Thousand Eight Hundred and Twenty-Six in Base 18 Octodecimal
21828
3d6c18
Twenty-One Thousand Eight Hundred and Twenty-Eight in Base 18 Octodecimal
21829
3d6d18
Twenty-One Thousand Eight Hundred and Twenty-Nine in Base 18 Octodecimal
21830
3d6e18
Twenty-One Thousand Eight Hundred and Thirty in Base 18 Octodecimal

Scientific Notation

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

2.1827e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004ea4d88f4h869a18

The reciprocal of 21827 in Base 18 Octodecimal.

Palindrome?

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

The number 3d6b18 is not 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 twenty-seven is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and twenty-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 twenty-seven has the following 3 prime factors:

13
d18
Thirteen in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
73
4118
Seventy-Three in Base 18 Octodecimal

Prime Factorization

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

d181 · 15181 · 41181 = 3d6b18

Base Conversions

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