The Number

128105

One Hundred and Twenty-Eight Thousand One Hundred and Five

In Base 18 Octodecimal Is

13h6h18

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

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

Nearby Numbers

Positive, nonzero integers within three units

128102
13h6e18
One Hundred and Twenty-Eight Thousand One Hundred and Two in Base 18 Octodecimal
128103
13h6f18
One Hundred and Twenty-Eight Thousand One Hundred and Three in Base 18 Octodecimal
128104
13h6g18
One Hundred and Twenty-Eight Thousand One Hundred and Four in Base 18 Octodecimal
128106
13h7018
One Hundred and Twenty-Eight Thousand One Hundred and Six in Base 18 Octodecimal
128107
13h7118
One Hundred and Twenty-Eight Thousand One Hundred and Seven in Base 18 Octodecimal
128108
13h7218
One Hundred and Twenty-Eight Thousand One Hundred and Eight in Base 18 Octodecimal

Scientific Notation

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

1.28105e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ed90fdggc6bf818

The reciprocal of 128105 in Base 18 Octodecimal.

Palindrome?

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

The number 13h6h18 is not a palindrome.

Not A Prime Number

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

One hundred and twenty-eight thousand one hundred and five is a composite number with 4 total factors (including 1 and itself).   See primes in Base 18 Octodecimal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight thousand one hundred and five is a composite number with 4 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 one hundred and twenty-eight thousand one hundred and five has the following 2 prime factors:

5
518
Five in Base 18 Octodecimal
25621
471718
Twenty-Five Thousand Six Hundred and Twenty-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

5181 · 4717181 = 13h6h18

Base Conversions

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