The Number
644
Six Hundred and Forty-Four
In Base 3 Ternary Is
2122123
The numbers with a 3 subscript use Base 3 Ternary notation.
For more familiar numbers: See Six Hundred and Forty-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.
6.44e2
Reciprocal
A number multiplied with its reciprocal is one.
0.0000010101200122201211102121120010122123
The reciprocal of 644 in Base 3 Ternary.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 2122123 is a palindrome.
Not A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Six hundred and forty-four is a composite number with 12 total factors (including 1 and itself). See primes in Base 3 Ternary
A Composite
Composites have more than just these two factors.
Six hundred and forty-four is a composite number with 12 total factors (including 1 and itself).
Prime Factors
The number six hundred and forty-four 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
232
·
2131
·
21231
= 2122123
Base Conversions
The number six hundred and forty-four in 35 different bases