421000 = 400000 + 20000 + 1000
2.105 is probably the simplest. However, if you want the simplest rational form, it is 421/200.
4/21 is in its simplest form.
-421/100
The fraction form of 2.105 is 421/200 or 2 and 21/200.
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.
421 = CDXXI
500
421 + 136.25 = 557.25
421 is a prime number.