The Number

21868

Twenty-One Thousand Eight Hundred and Sixty-Eight

In Base 12 Duodecimal Is

107a412

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

21865
107a112
Twenty-One Thousand Eight Hundred and Sixty-Five in Base 12 Duodecimal
21866
107a212
Twenty-One Thousand Eight Hundred and Sixty-Six in Base 12 Duodecimal
21867
107a312
Twenty-One Thousand Eight Hundred and Sixty-Seven in Base 12 Duodecimal
21869
107a512
Twenty-One Thousand Eight Hundred and Sixty-Nine in Base 12 Duodecimal
21870
107a612
Twenty-One Thousand Eight Hundred and Seventy in Base 12 Duodecimal
21871
107a712
Twenty-One Thousand Eight Hundred and Seventy-One in Base 12 Duodecimal

Scientific Notation

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

2.1868e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b4667216ab3b71812

The reciprocal of 21868 in Base 12 Duodecimal.

Palindrome?

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

The number 107a412 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 sixty-eight is a composite number with 24 total factors (including 1 and itself).   See primes in Base 12 Duodecimal

A Composite

Composites have more than just these two factors.

Twenty-one thousand eight hundred and sixty-eight 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 eight hundred and sixty-eight has the following 4 prime factors:

2
212
Two in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
71
5b12
Seventy-One in Base 12 Duodecimal

Prime Factorization

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

2122 · 7121 · b121 · 5b121 = 107a412

Base Conversions

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