The Number
40009
Forty Thousand and Nine
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.
4.0009e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000024994376265340298
The reciprocal of 40009.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 40009 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Forty thousand and nine is the 4204th prime number. See primes in Base 10 Decimal
Not A Composite
Composites have more than just these two factors.
Forty Thousand and Nine is not a composite number because it has exactly two factors: One and Forty Thousand and Nine
Prime Factors
The number forty thousand and nine 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
400091
= 40009
Base Conversions
The number forty thousand and nine in 35 different bases