The Number

28987

Twenty-Eight Thousand Nine Hundred and Eighty-Seven

In Base 18 Octodecimal Is

4h8718

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

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

Nearby Numbers

Positive, nonzero integers within three units

28984
4h8418
Twenty-Eight Thousand Nine Hundred and Eighty-Four in Base 18 Octodecimal
28985
4h8518
Twenty-Eight Thousand Nine Hundred and Eighty-Five in Base 18 Octodecimal
28986
4h8618
Twenty-Eight Thousand Nine Hundred and Eighty-Six in Base 18 Octodecimal
28988
4h8818
Twenty-Eight Thousand Nine Hundred and Eighty-Eight in Base 18 Octodecimal
28989
4h8918
Twenty-Eight Thousand Nine Hundred and Eighty-Nine in Base 18 Octodecimal
28990
4h8a18
Twenty-Eight Thousand Nine Hundred and Ninety in Base 18 Octodecimal

Scientific Notation

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

2.8987e4

Reciprocal

A number multiplied with its reciprocal is one.

0.0003b36911ecg1a918

The reciprocal of 28987 in Base 18 Octodecimal.

Palindrome?

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

The number 4h8718 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 nine hundred and eighty-seven 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-eight thousand nine hundred and eighty-seven 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-eight thousand nine hundred and eighty-seven has the following 3 prime factors:

7
718
Seven in Base 18 Octodecimal
41
2518
Forty-One in Base 18 Octodecimal
101
5b18
One Hundred and 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

7181 · 25181 · 5b181 = 4h8718

Base Conversions

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