The Number
64
Sixty-Four
In Base 21 Unovigesimal Is
3121
The numbers with a 21 subscript use Base 21 Unovigesimal notation.
For more familiar numbers: See Sixty-Four 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.
6.4e1
Reciprocal
A number multiplied with its reciprocal is one.
0.06ieg1d9ah845c21
The reciprocal of 64 in Base 21 Unovigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 3121 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Sixty-four is a composite number with 7 total factors (including 1 and itself). See primes in Base 21 Unovigesimal
A Composite
Composites have more than just these two factors.
Sixty-four is a composite number with 7 total factors (including 1 and itself).
Prime Factors
The number sixty-four 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
2216
= 3121
Base Conversions
The number sixty-four in 35 different bases