The Number
128642
One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Two
In Base 15 Quindecimal Is
281b215
The numbers with a 15 subscript use Base 15 Quindecimal notation.
For more familiar numbers: See One Hundred and Twenty-Eight Thousand Six Hundred and Forty-Two 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.
1.28642e5
Reciprocal
A number multiplied with its reciprocal is one.
0.00005d829d22ac962b15
The reciprocal of 128642 in Base 15 Quindecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 281b215 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 six hundred and forty-two is a composite number with 8 total factors (including 1 and itself). See primes in Base 15 Quindecimal
A Composite
Composites have more than just these two factors.
One hundred and twenty-eight thousand six hundred and forty-two is a composite number with 8 total factors (including 1 and itself).
Prime Factors
The number one hundred and twenty-eight thousand six hundred and forty-two 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
2151
·
8b151
·
22b151
= 281b215
Base Conversions
The number one hundred and twenty-eight thousand six hundred and forty-two in 35 different bases