555

Not sure what you want with 555. Here are a few quick options (let me know which you’d like or specify another task):

• Prime/composite: 555 = 3 × 5 × 37 (not prime)
• Roman numeral: DLV
• Binary: 555 = 1000101011₂
• Hex: 0x22B
• Base-6: 2323₆
• Base-5: 4210₅
• Base-3: 202120₃
• As a time: 5:55

If you’re prepping for an exam, I can generate a short set of practice problems or walkthroughs for any of the above. Which one would you like?