The Number
66
Sixty-Six
In Base 7 Septenary Is
1237
The numbers with a 7 subscript use Base 7 Septenary notation.
For more familiar numbers: See Sixty-Six 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.
6.6e1
Reciprocal
A number multiplied with its reciprocal is one.
0.0051243632005124363217
The reciprocal of 66 in Base 7 Septenary.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 1237 is not a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Sixty-six is a composite number with 8 total factors (including 1 and itself). See primes in Base 7 Septenary
A Composite
Composites have more than just these two factors.
Sixty-six is a composite number with 8 total factors (including 1 and itself).
Prime Factors
The number sixty-six has the following 3 prime factors:
Prime Factorization
The prime factorization of a positive integer is the unique list of prime factors together with their multiplicities
271
·
371
·
1471
= 1237
Base Conversions
The number sixty-six in 35 different bases