The Number

21728

Twenty-One Thousand Seven Hundred and Twenty-Eight

In Base 12 Duodecimal Is

106a812

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

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

Nearby Numbers

Positive, nonzero integers within three units

21725
106a512
Twenty-One Thousand Seven Hundred and Twenty-Five in Base 12 Duodecimal
21726
106a612
Twenty-One Thousand Seven Hundred and Twenty-Six in Base 12 Duodecimal
21727
106a712
Twenty-One Thousand Seven Hundred and Twenty-Seven in Base 12 Duodecimal
21729
106a912
Twenty-One Thousand Seven Hundred and Twenty-Nine in Base 12 Duodecimal
21730
106aa12
Twenty-One Thousand Seven Hundred and Thirty in Base 12 Duodecimal
21731
106ab12
Twenty-One Thousand Seven Hundred and Thirty-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.

2.1728e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0000b55135942318bb212

The reciprocal of 21728 in Base 12 Duodecimal.

Palindrome?

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

The number 106a812 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 seven hundred and twenty-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 seven hundred and twenty-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 seven hundred and twenty-eight has the following 3 prime factors:

2
212
Two in Base 12 Duodecimal
7
712
Seven in Base 12 Duodecimal
97
8112
Ninety-Seven in Base 12 Duodecimal

Prime Factorization

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

2125 · 7121 · 81121 = 106a812

Base Conversions

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