The Number
11987
Eleven Thousand Nine Hundred and Eighty-Seven
In Base 18 Octodecimal Is
20hh18
The numbers with a 18 subscript use Base 18 Octodecimal notation.
For more familiar numbers: See Eleven Thousand Nine Hundred and Eighty-Seven 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.
1.1987e4
Reciprocal
A number multiplied with its reciprocal is one.
0.0008db7bhch91ge318
The reciprocal of 11987 in Base 18 Octodecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 20hh18 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Eleven thousand nine hundred and eighty-seven is the 1438th prime number. See primes in Base 18 Octodecimal
Not A Composite
Composites have more than just these two factors.
Eleven Thousand Nine Hundred and Eighty-Seven is not a composite number because it has exactly two factors: One and Eleven Thousand Nine Hundred and Eighty-Seven
Prime Factors
The number eleven thousand nine hundred and eighty-seven 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
20hh181
= 20hh18
Base Conversions
The number eleven thousand nine hundred and eighty-seven in 35 different bases