The Number
420
Four Hundred and Twenty
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.
4.20e2
Reciprocal
A number multiplied with its reciprocal is one.
0.002380952380952381
The reciprocal of 420.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 420 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 and twenty is a composite number with 24 total factors (including 1 and itself). See primes in Base 10 Decimal
A Composite
Composites have more than just these two factors.
Four hundred and twenty is a composite number with 24 total factors (including 1 and itself).
Prime Factors
The number four hundred and twenty has the following 4 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
22
·
31
·
51
·
71
= 420
Base Conversions
The number four hundred and twenty in 35 different bases