They can both be divided by any number except zero; the result will usually not be a whole number.
If you mean what numbers divide exactly into them, ie what are their factors:
The factors of 815 are 1, 5, 163, 815
The factors of 4 are 1, 2, 4
The common factors of 815 and 4 are 1 (only).
0.0724
8.15
163
135.8333
0.0344
7.4091
815.9091
Yes, 815 divided by 5 is 163. ---------------------------- To be divisible by 5 the last digit must be 0 or 5. The last digit of 815 is 5, which is one of {0, 5}; Thus 815 is divisible by 5. So Yes, 815 is divisible by 5.
0.0086
10.7237
815 o F is the answer. celsius x 9, divided by 5, plus 32. 435x9=3915, 3915/5=783, 783+32=815 degrees fahrenheit OR, (celsius x 1.8) + 32 EX: (435 x 1.8) + 32 = 815
815 in Roman numerals is DCCCXV.