The Number
66491
Sixty-Six Thousand Four Hundred and Ninety-One
In Base 20 Vigesimal Is
864b20
The numbers with a 20 subscript use Base 20 Vigesimal notation.
For more familiar numbers: See Sixty-Six Thousand Four Hundred and Ninety-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.
6.6491e4
Reciprocal
A number multiplied with its reciprocal is one.
0.000282aea55ifd3i20
The reciprocal of 66491 in Base 20 Vigesimal.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 864b20 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Sixty-six thousand four hundred and ninety-one is the 6629th prime number. See primes in Base 20 Vigesimal
Not A Composite
Composites have more than just these two factors.
Sixty-Six Thousand Four Hundred and Ninety-One is not a composite number because it has exactly two factors: One and Sixty-Six Thousand Four Hundred and Ninety-One
Prime Factors
The number sixty-six thousand four hundred and ninety-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
864b201
= 864b20
Base Conversions
The number sixty-six thousand four hundred and ninety-one in 35 different bases