The Number

21164

Twenty-One Thousand One Hundred and Sixty-Four

In Base 18 Octodecimal Is

3b5e18

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

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

Nearby Numbers

Positive, nonzero integers within three units

21161
3b5b18
Twenty-One Thousand One Hundred and Sixty-One in Base 18 Octodecimal
21162
3b5c18
Twenty-One Thousand One Hundred and Sixty-Two in Base 18 Octodecimal
21163
3b5d18
Twenty-One Thousand One Hundred and Sixty-Three in Base 18 Octodecimal
21165
3b5f18
Twenty-One Thousand One Hundred and Sixty-Five in Base 18 Octodecimal
21166
3b5g18
Twenty-One Thousand One Hundred and Sixty-Six in Base 18 Octodecimal
21167
3b5h18
Twenty-One Thousand One Hundred and Sixty-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.

2.1164e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004h517bf2gd0be18

The reciprocal of 21164 in Base 18 Octodecimal.

Palindrome?

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

The number 3b5e18 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 one hundred and sixty-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 one hundred and sixty-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 one hundred and sixty-four has the following 4 prime factors:

2
218
Two in Base 18 Octodecimal
11
b18
Eleven in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
37
2118
Thirty-Seven 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 · b181 · d181 · 21181 = 3b5e18

Base Conversions

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