The Number
421
Four Hundred and Twenty-One
In Base 20 Vigesimal Is
11120
The numbers with a 20 subscript use Base 20 Vigesimal notation.
For more familiar numbers: See Four Hundred and Twenty-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.
4.21e2
Reciprocal
A number multiplied with its reciprocal is one.
0.00j00j00j00j0120
The reciprocal of 421 in Base 20 Vigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 11120 is a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Four hundred and twenty-one is the 82nd prime number. See primes in Base 20 Vigesimal
Not A Composite
Composites have more than just these two factors.
Four Hundred and Twenty-One is not a composite number because it has exactly two factors: One and Four Hundred and Twenty-One
Prime Factors
The number four hundred and twenty-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
111201
= 11120
Base Conversions
The number four hundred and twenty-one in 35 different bases