The Number
128540
One Hundred and Twenty-Eight Thousand Five Hundred and Forty
In Base 21 Unovigesimal Is
di9k21
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See One Hundred and Twenty-Eight Thousand Five Hundred and Forty 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.
1.28540e5
Reciprocal
A number multiplied with its reciprocal is one.
0.0001ag4if3f643be21
The reciprocal of 128540 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number di9k21 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 five hundred and forty is a composite number with 12 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
One hundred and twenty-eight thousand five hundred and forty is a composite number with 12 total factors (including 1 and itself).
Prime Factors
The number one hundred and twenty-eight thousand five hundred and forty has the following 3 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
2212
·
5211
·
ec1211
= di9k21
Base Conversions
The number one hundred and twenty-eight thousand five hundred and forty in 35 different bases