The Number

28509

Twenty-Eight Thousand Five Hundred and Nine

In Base 18 Octodecimal Is

4fhf18

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

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

Nearby Numbers

Positive, nonzero integers within three units

28506
4fhc18
Twenty-Eight Thousand Five Hundred and Six in Base 18 Octodecimal
28507
4fhd18
Twenty-Eight Thousand Five Hundred and Seven in Base 18 Octodecimal
28508
4fhe18
Twenty-Eight Thousand Five Hundred and Eight in Base 18 Octodecimal
28510
4fhg18
Twenty-Eight Thousand Five Hundred and Ten in Base 18 Octodecimal
28511
4fhh18
Twenty-Eight Thousand Five Hundred and Eleven in Base 18 Octodecimal
28512
4g0018
Twenty-Eight Thousand Five Hundred and Twelve in Base 18 Octodecimal

Scientific Notation

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

2.8509e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003c50b3g61314f18

The reciprocal of 28509 in Base 18 Octodecimal.

Palindrome?

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

The number 4fhf18 is not a palindrome.

Not A Prime Number

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

Twenty-eight thousand five hundred and nine is a composite number with 16 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

Twenty-eight thousand five hundred and nine is a composite number with 16 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-eight thousand five hundred and nine has the following 4 prime factors:

3
318
Three in Base 18 Octodecimal
13
d18
Thirteen in Base 18 Octodecimal
17
h18
Seventeen in Base 18 Octodecimal
43
2718
Forty-Three in Base 18 Octodecimal

Prime Factorization

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

3181 · d181 · h181 · 27181 = 4fhf18

Base Conversions

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