4.21 trillion in standard notation is: 4,210,000,000,000
It is: 4.21*10-4 g
It is: CDXXI
-421/100
0.000421 g = 4.21 x 10-4 g.
Four hundred twenty-one.
You can write 142 the following ways: 142...124...214...241...412...421.
421000 = 400000 + 20000 + 1000
Four hundred twenty-one thousand and 35
The positive integer factors of 421 are: 1, 421
The only prime factor of 421 is 421.
0.421 as a fraction is 421/1000.It is 421/1000.
4.42 = 421/50