The Number

21538

Twenty-One Thousand Five Hundred and Thirty-Eight

In Base 12 Duodecimal Is

1056a12

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

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

Nearby Numbers

Positive, nonzero integers within three units

21535
1056712
Twenty-One Thousand Five Hundred and Thirty-Five in Base 12 Duodecimal
21536
1056812
Twenty-One Thousand Five Hundred and Thirty-Six in Base 12 Duodecimal
21537
1056912
Twenty-One Thousand Five Hundred and Thirty-Seven in Base 12 Duodecimal
21539
1056b12
Twenty-One Thousand Five Hundred and Thirty-Nine in Base 12 Duodecimal
21540
1057012
Twenty-One Thousand Five Hundred and Forty in Base 12 Duodecimal
21541
1057112
Twenty-One Thousand Five Hundred and Forty-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.

2.1538e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b677a4453b002912

The reciprocal of 21538 in Base 12 Duodecimal.

Palindrome?

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

The number 1056a12 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 five hundred and thirty-eight is a composite number with 12 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 five hundred and thirty-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 five hundred and thirty-eight has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
11
b12
Eleven in Base 12 Duodecimal
89
7512
Eighty-Nine in Base 12 Duodecimal

Prime Factorization

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

2121 · b122 · 75121 = 1056a12

Base Conversions

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