The Number

20728

Twenty Thousand Seven Hundred and Twenty-Eight

In Base 18 Octodecimal Is

39ha18

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

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

Nearby Numbers

Positive, nonzero integers within three units

20725
39h718
Twenty Thousand Seven Hundred and Twenty-Five in Base 18 Octodecimal
20726
39h818
Twenty Thousand Seven Hundred and Twenty-Six in Base 18 Octodecimal
20727
39h918
Twenty Thousand Seven Hundred and Twenty-Seven in Base 18 Octodecimal
20729
39hb18
Twenty Thousand Seven Hundred and Twenty-Nine in Base 18 Octodecimal
20730
39hc18
Twenty Thousand Seven Hundred and Thirty in Base 18 Octodecimal
20731
39hd18
Twenty Thousand Seven Hundred and Thirty-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.

2.0728e4

Reciprocal

A number multiplied with its reciprocal is one.

0.000512fg1hdd887f18

The reciprocal of 20728 in Base 18 Octodecimal.

Palindrome?

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

The number 39ha18 is not a palindrome.

Not A Prime Number

A prime number is a positive integer that is divisible only by itself and one.

Twenty thousand seven hundred and twenty-eight is a composite number with 8 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty thousand seven hundred and twenty-eight is a composite number with 8 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 thousand seven hundred and twenty-eight has the following 2 prime factors:

2
218
Two in Base 18 Octodecimal
2591
7hh18
Two Thousand Five Hundred and Ninety-One in Base 18 Octodecimal

Prime Factorization

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

2183 · 7hh181 = 39ha18

Base Conversions

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