The Number
128721
One Hundred and Twenty-Eight Thousand Seven Hundred and Twenty-One
In Base 28 Octovigesimal Is
5o5528
The numbers with a 28 subscript use Base 28 Octovigesimal notation.
For more familiar numbers: See One Hundred and Twenty-Eight Thousand Seven Hundred and Twenty-One 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.
1.28721e5
Reciprocal
A number multiplied with its reciprocal is one.
0.0004ljj1fbljmi28
The reciprocal of 128721 in Base 28 Octovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 5o5528 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 seven hundred and twenty-one is a composite number with 8 total factors (including 1 and itself). See primes in Base 28 Octovigesimal
A Composite
Composites have more than just these two factors.
One hundred and twenty-eight thousand seven hundred and twenty-one is a composite number with 8 total factors (including 1 and itself).
Prime Factors
The number one hundred and twenty-eight thousand seven hundred and twenty-one 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
3281
·
3n281
·
e9281
= 5o5528
Base Conversions
The number one hundred and twenty-eight thousand seven hundred and twenty-one in 35 different bases