The Number
400009
Four Hundred 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.
4.00009e5
Reciprocal
A number multiplied with its reciprocal is one.
0.0000024999437512655965
The reciprocal of 400009.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 400009 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Four hundred thousand and nine is a composite number with 2 total factors (including 1 and itself). See primes in Base 10 Decimal
A Composite
Composites have more than just these two factors.
Four hundred thousand and nine is a composite number with 2 total factors (including 1 and itself).
Prime Factors
The number four hundred 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
4000091
= 400009
Base Conversions
The number four hundred thousand and nine in 35 different bases