The Number

21084

Twenty-One Thousand and Eighty-Four

In Base 18 Octodecimal Is

3b1618

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

For more familiar numbers: See Twenty-One Thousand and Eighty-Four in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

21081
3b1318
Twenty-One Thousand and Eighty-One in Base 18 Octodecimal
21082
3b1418
Twenty-One Thousand and Eighty-Two in Base 18 Octodecimal
21083
3b1518
Twenty-One Thousand and Eighty-Three in Base 18 Octodecimal
21085
3b1718
Twenty-One Thousand and Eighty-Five in Base 18 Octodecimal
21086
3b1818
Twenty-One Thousand and Eighty-Six in Base 18 Octodecimal
21087
3b1918
Twenty-One Thousand and Eighty-Seven in Base 18 Octodecimal

Scientific Notation

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

2.1084e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004hb336576aa5918

The reciprocal of 21084 in Base 18 Octodecimal.

Palindrome?

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

The number 3b1618 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 and eighty-four is a composite number with 24 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 and eighty-four is a composite number with 24 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 and eighty-four has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
3
318
Three in Base 18 Octodecimal
7
718
Seven in Base 18 Octodecimal
251
dh18
Two Hundred and Fifty-One in Base 18 Octodecimal

Prime Factorization

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

2182 · 3181 · 7181 · dh181 = 3b1618

Base Conversions

The number twenty-one thousand and eighty-four in 35 different bases