The Number
128
One Hundred and Twenty-Eight
In Base 20 Vigesimal Is
6820
The numbers with a 20 subscript use Base 20 Vigesimal notation.
For more familiar numbers: See One Hundred and Twenty-Eight in Base 10 Decimal
Nearby Numbers
Positive, nonzero integers within three units
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.
0.032a20
The reciprocal of 128 in Base 20 Vigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 6820 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 20 Vigesimal
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 number one hundred and twenty-eight has the following 1 prime factor:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2207
= 6820
Base Conversions
The number one hundred and twenty-eight in 35 different bases