The Number
128109
One Hundred and Twenty-Eight Thousand One Hundred and Nine
In Base 31 Untrigesimal Is
499h31
The numbers with a 31 subscript use Base 31 Untrigesimal notation.
For more familiar numbers: See One Hundred and Twenty-Eight Thousand One Hundred and Nine 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.
1.28109e5
Reciprocal
A number multiplied with its reciprocal is one.
0.00076emcsd6d8331
The reciprocal of 128109 in Base 31 Untrigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 499h31 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 one hundred and nine is a composite number with 4 total factors (including 1 and itself). See primes in Base 31 Untrigesimal
A Composite
Composites have more than just these two factors.
One hundred and twenty-eight thousand one hundred and nine is a composite number with 4 total factors (including 1 and itself).
Prime Factors
The number one hundred and twenty-eight thousand one hundred and nine has the following 2 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
3311
·
1ddg311
= 499h31
Base Conversions
The number one hundred and twenty-eight thousand one hundred and nine in 35 different bases