555

Not sure what you want with 555. Do you want a quick math warm-up, base conversions, or something else for exam prep? Here are a few ready-to-use facts and a mini-quiz you can use for review:

Quick facts about 555

• Prime factorization: 555 = 3 × 5 × 37
• Sum of digits: 5 + 5 + 5 = 15
• Divisible by: 3 and 5 (not by 7, etc.)
• Roman numerals: DLV (500 + 50 + 5)
• Binary: 1000101011
• Hexadecimal: 0x22B
• Decimal to hundred-round: 555 rounds to 600 (nearest hundred)

Mini-quiz (5 quick questions)

1. What is the prime factorization of 555?
2. Convert 555 to binary.
3. What is 555 in hex?
4. What is 555 modulo 9?
5. Round 555 to the nearest hundred.

If you want, I can tailor a short set of problems to a specific subject (math, CS, etc.) or generate a longer practice set. Which would you prefer?