The Number
400
Four Hundred
In Base 2 Binary Is
1100100002
The numbers with a 2 subscript use Base 2 Binary notation.
For more familiar numbers: See Four Hundred 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.
4e2
Reciprocal
A number multiplied with its reciprocal is one.
0.00000000101000111101011100001010001111010111000010100011110112
The reciprocal of 400 in Base 2 Binary.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 1100100002 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 is a composite number with 15 total factors (including 1 and itself). See primes in Base 2 Binary
A Composite
Composites have more than just these two factors.
Four hundred is a composite number with 15 total factors (including 1 and itself).
Prime Factors
The number four hundred 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
1024
·
10122
= 1100100002
Base Conversions
The number four hundred in 35 different bases