The Number
18421
Eightteen Thousand Four Hundred and Twenty-One
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.
1.8421e4
Reciprocal
A number multiplied with its reciprocal is one.
0.00005428586938819825
The reciprocal of 18421.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 18421 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Eightteen thousand four hundred and twenty-one is a composite number with 6 total factors (including 1 and itself). See primes in Base 10 Decimal
A Composite
Composites have more than just these two factors.
Eightteen thousand four hundred and twenty-one is a composite number with 6 total factors (including 1 and itself).
Prime Factors
The number eightteen thousand four hundred and twenty-one has the following 2 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
132
·
1091
= 18421
Base Conversions
The number eightteen thousand four hundred and twenty-one in 35 different bases