9.2 hours
The number 642 is not a prime number as it can be divided by 2 aswell as itself and one.
In today's notation 642 = DCXLII in Roman numerals
The number 642 in Roman numerals is represented as DCXLII. D represents 500, C represents 100, XL represents 40, and II represents 2. When combined, they form 642.
You can add up the digits, 6+4+2=12 and if that number is divisible by three, so it the original number. So 12 is certainly divisible by 3 so that means 642 is also.
642 + 798 round the answer to the nearest thousand = 1440
0.0389
642 642
9.2 hours
640
642
The number 642 is not a prime number as it can be divided by 2 aswell as itself and one.
In today's notation 642 = DCXLII in Roman numerals
Nope, a 742 centerfire but no 642.
The prime factorization of 642 is 2 x 3 x 107.
600
This cannot be determined based on the number you provided. You must have at least two whole numbers to determine a greatest common factor.