The Number

128120

One Hundred and Twenty-Eight Thousand One Hundred and Twenty

In Base 18 Octodecimal Is

13h7e18

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 Twenty in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128117
13h7b18
One Hundred and Twenty-Eight Thousand One Hundred and Seventeen in Base 18 Octodecimal
128118
13h7c18
One Hundred and Twenty-Eight Thousand One Hundred and Eightteen in Base 18 Octodecimal
128119
13h7d18
One Hundred and Twenty-Eight Thousand One Hundred and Nineteen in Base 18 Octodecimal
128121
13h7f18
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-One in Base 18 Octodecimal
128122
13h7g18
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-Two in Base 18 Octodecimal
128123
13h7h18
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-Three in Base 18 Octodecimal

Scientific Notation

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

1.28120e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ed88e8ed370c18

The reciprocal of 128120 in Base 18 Octodecimal.

Palindrome?

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

The number 13h7e18 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 twenty 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.

One hundred and twenty-eight thousand one hundred and twenty 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 one hundred and twenty-eight thousand one hundred and twenty has the following 3 prime factors:

2
218
Two in Base 18 Octodecimal
5
518
Five in Base 18 Octodecimal
3203
9fh18
Three Thousand Two Hundred and 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

2183 · 5181 · 9fh181 = 13h7e18

Base Conversions

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