10101 11000

My decimal number: 175 10101111+110101=100011100 257-177=175 175*21=3675 ——-> E58 AF/2A = 4 R7

My number: 175 [Capital “R” <—-Like this one means remainder! ] Binary: converted-10101111 - (Work: 175/2=87 R1, 87/2=43 R1, 43/2=21 R1, 21/2=10 R1, 10/2=5, 5/2=2 R1, 2/2=1, 1/2=0 R1) number from last to first turns out to be —> 10101111 Octal: converted-257 - (work: 175/8=21 R7, 21/8=2 R5, 2/8=0 R2) numbers from last to first turns out to be —> 257 Hexadecimal: converted answer- AF - (Work: 175/16=10 R15, 10/16=0 R10) letters from last to first is—> AF