0010101,01₂ = 0x^7 + 0x^6 + 1x^5 + 0x^4 + 1x^3 + 0x^2 + 1x^1 + 0x^0 + 0x^(-1) + 1x^(-2)
14₈ = 1x^1 + 4x^0 = x + 4
28,1₁₆ = 2x^1 + 8x^0 + 1*(1/16)x^(-1) = 2x + 8 + 1/16
0010101,01₂ = 0x^7 + 0x^6 + 1x^5 + 0x^4 + 1x^3 + 0x^2 + 1x^1 + 0x^0 + 0x^(-1) + 1x^(-2)
14₈ = 1x^1 + 4x^0 = x + 4
28,1₁₆ = 2x^1 + 8x^0 + 1*(1/16)x^(-1) = 2x + 8 + 1/16