555

Do you want something specific with the number 555 (math problems, conversions, etc.)? Here are a few quick things in case you were looking for a refresher:

• Factorization: 555 = 3 × 5 × 37
• Divisibility: 555 is divisible by 3, 5, 15 (555/15 = 37), and 37
• Roman numeral: DLV
• Hex: 0x22B
• Octal: 1053_8
• Binary: 1000101011

If you’d like, I can give you a couple of exam-style problems using 555 (e.g., divisibility, gcd, or base conversions), or tailor a mini-quiz to your subject. What would you prefer?