The Number

128

One Hundred and Twenty-Eight

In Base 12 Duodecimal Is

a812

The numbers with a 12 subscript use Base 12 Duodecimal notation.

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

Nearby Numbers

Positive, nonzero integers within three units

125
a512
One Hundred and Twenty-Five in Base 12 Duodecimal
126
a612
One Hundred and Twenty-Six in Base 12 Duodecimal
127
a712
One Hundred and Twenty-Seven in Base 12 Duodecimal
129
a912
One Hundred and Twenty-Nine in Base 12 Duodecimal
130
aa12
One Hundred and Thirty in Base 12 Duodecimal
131
ab12
One Hundred and Thirty-One in Base 12 Duodecimal

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.

0.011612

The reciprocal of 128 in Base 12 Duodecimal.

Palindrome?

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

The number a812 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 12 Duodecimal

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
212
Two in Base 12 Duodecimal

Prime Factorization

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

2127 = a812

Base Conversions

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