The Number
11987
Eleven Thousand Nine Hundred and Eighty-Seven
In Base 20 Vigesimal Is
19j720
The numbers with a 20 subscript use Base 20 Vigesimal 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.
0.000d6j26j06i2jh20
The reciprocal of 11987 in Base 20 Vigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 19j720 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 20 Vigesimal
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
19j7201
= 19j720
Base Conversions
The number eleven thousand nine hundred and eighty-seven in 35 different bases