The Number
641
Six Hundred and Forty-One
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.
6.41e2
Reciprocal
A number multiplied with its reciprocal is one.
0.0015600624024961
The reciprocal of 641.
Palindrome?
A numerical palindrome has the same value when all of its digits are reversed.
The number 641 is not a palindrome.
A Prime Number
A prime number is a positive integer that is divisible only by itself and one.
Six hundred and forty-one is the 116th prime number. See primes in Base 10 Decimal
Not A Composite
Composites have more than just these two factors.
Six Hundred and Forty-One is not a composite number because it has exactly two factors: One and Six Hundred and Forty-One
Prime Factors
The number six hundred and forty-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
6411
= 641
Base Conversions
The number six hundred and forty-one in 35 different bases