The Number
42021
Forty-Two Thousand and Twenty-One
In Base 2 Binary Is
10100100001001012
The numbers with a 2 subscript use Base 2 Binary notation.
For more familiar numbers: See Forty-Two Thousand 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.
4.2021e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000000000000000110001111010000100000010101100101110011100111111010112
The reciprocal of 42021 in Base 2 Binary.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 10100100001001012 is a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Forty-two thousand and twenty-one is a composite number with 24 total factors (including 1 and itself). See primes in Base 2 Binary
A Composite
Composites have more than just these two factors.
Forty-two thousand and twenty-one is a composite number with 24 total factors (including 1 and itself).
Prime Factors
The number forty-two thousand and twenty-one 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
1122
·
11121
·
1011121
·
1110121
= 10100100001001012
Base Conversions
The number forty-two thousand and twenty-one in 35 different bases