The Number

128

One Hundred and Twenty-Eight

In Base 8 Octal Is

2008

The numbers with a 8 subscript use Base 8 Octal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

125
1758
One Hundred and Twenty-Five in Base 8 Octal
126
1768
One Hundred and Twenty-Six in Base 8 Octal
127
1778
One Hundred and Twenty-Seven in Base 8 Octal
129
2018
One Hundred and Twenty-Nine in Base 8 Octal
130
2028
One Hundred and Thirty in Base 8 Octal
131
2038
One Hundred and Thirty-One in Base 8 Octal

Scientific Notation

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

1.28e2

Reciprocal

A number multiplied with its reciprocal is one.

0.0048

The reciprocal of 128 in Base 8 Octal.

Palindrome?

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

The number 2008 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 is a composite number with 8 total factors (including 1 and itself).   See primes in Base 8 Octal

A Composite

Composites have more than just these two factors.

One hundred and twenty-eight 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 one hundred and twenty-eight has the following 1 prime factor:

2
28
Two in Base 8 Octal

Prime Factorization

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

287 = 2008

Base Conversions

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