427? You maybe confusing a number, 417 means 10K gold; that is, 41.7% gold. The remainder is a alloy of silver, copper, and zinc, or in the case of white gold nickel is added in place of the silver.
€427
71.1667
XVIIIVIIImproved Answer:-Do you mean 10 and 427 if so then thet are X and CDXXVII respectively
It is: CDXXVII = 427
Solid silver
427%:= 427/100 in fraction
The positive integer factors of 427 are: 1, 7, 61, 427
213.5
If you mean: 427,208,311 then it is 7,000,000 = seven million
427 is in between 420 and 430. 430 is obviously closer to 427 then 420. When you round 427 to the nearest ten the answer is 430.
427 - 299 = 128