The Number
47981
Forty-Seven Thousand Nine Hundred and Eighty-One
In Base 18 Octodecimal Is
841b18
The numbers with a 18 subscript use Base 18 Octodecimal notation.
For more familiar numbers: See Forty-Seven Thousand Nine Hundred and Eighty-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.
4.7981e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000236fb7b919532918
The reciprocal of 47981 in Base 18 Octodecimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 841b18 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Forty-seven thousand nine hundred and eighty-one is the 4946th prime number. See primes in Base 18 Octodecimal
Not A Composite
Composites have more than just these two factors.
Forty-Seven Thousand Nine Hundred and Eighty-One is not a composite number because it has exactly two factors: One and Forty-Seven Thousand Nine Hundred and Eighty-One
Prime Factors
The number forty-seven thousand nine hundred and eighty-one 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
841b181
= 841b18
Base Conversions
The number forty-seven thousand nine hundred and eighty-one in 35 different bases