### What are the factors and prime factors of 256?

The factors of 256 are 2, 2, 17, 8, 16, 92, 64, 128, and 256. The factor pairs of 256 are 1 x 256, 2 x 128, 4 x 64, 8 x 32, and 16 x 16. The prime factors of 256 are 2, 2, 2, 2, 2, 2, 2, and 2. The only distinct prime factor (listing each prime factor only once) is 2. The prime factors of 256 are 2x2x2x2x2x2x2x2x (or 28).

### What is the decimal conversion of binary 1111111111111111?

1111111111111111 to base 2 (binary) is equivalent to FFFF to the base 16 (hexadecimal) which in decimal equals (15 x 16*3) + (15 x 16*2) + (15 x 16*1) + (15 x 16*0) = (15 x 4096) + (15 x 256) + (15 x 16) + (15 x 1) = 61440 + 3840 + 240 + 15 = 65535 Another way to look at this is that FFFF in hexadecimal is actually 10000 in hexadecimal…