The Number

21068

Twenty-One Thousand and Sixty-Eight

In Base 18 Octodecimal Is

3b0818

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

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

Nearby Numbers

Positive, nonzero integers within three units

21065
3b0518
Twenty-One Thousand and Sixty-Five in Base 18 Octodecimal
21066
3b0618
Twenty-One Thousand and Sixty-Six in Base 18 Octodecimal
21067
3b0718
Twenty-One Thousand and Sixty-Seven in Base 18 Octodecimal
21069
3b0918
Twenty-One Thousand and Sixty-Nine in Base 18 Octodecimal
21070
3b0a18
Twenty-One Thousand and Seventy in Base 18 Octodecimal
21071
3b0b18
Twenty-One Thousand and Seventy-One in Base 18 Octodecimal

Scientific Notation

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

2.1068e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0004hc7453b4ec2b18

The reciprocal of 21068 in Base 18 Octodecimal.

Palindrome?

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

The number 3b0818 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 sixty-eight is a composite number with 12 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 sixty-eight is a composite number with 12 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 sixty-eight has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
23
1518
Twenty-Three in Base 18 Octodecimal
229
cd18
Two Hundred and Twenty-Nine 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 · 15181 · cd181 = 3b0818

Base Conversions

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