The Number

128131

One Hundred and Twenty-Eight Thousand One Hundred and Thirty-One

In Base 18 Octodecimal Is

13h8718

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 Thirty-One in Base 10 Decimal

Nearby Numbers

Positive, nonzero integers within three units

128128
13h8418
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-Eight in Base 18 Octodecimal
128129
13h8518
One Hundred and Twenty-Eight Thousand One Hundred and Twenty-Nine in Base 18 Octodecimal
128130
13h8618
One Hundred and Twenty-Eight Thousand One Hundred and Thirty in Base 18 Octodecimal
128132
13h8818
One Hundred and Twenty-Eight Thousand One Hundred and Thirty-Two in Base 18 Octodecimal
128133
13h8918
One Hundred and Twenty-Eight Thousand One Hundred and Thirty-Three in Base 18 Octodecimal
128134
13h8a18
One Hundred and Twenty-Eight Thousand One Hundred and Thirty-Four in Base 18 Octodecimal

Scientific Notation

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

1.28131e5

Reciprocal

A number multiplied with its reciprocal is one.

0.0000ed817a64d864a18

The reciprocal of 128131 in Base 18 Octodecimal.

Palindrome?

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

The number 13h8718 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 thirty-one 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 thirty-one 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 thirty-one has the following 2 prime factors:

37
2118
Thirty-Seven in Base 18 Octodecimal
3463
ac718
Three Thousand Four Hundred and Sixty-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

21181 · ac7181 = 13h8718

Base Conversions

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