555

Not sure what you want with 555. Here are a few quick exam-friendly facts and options you can pick from:

• Factorization and divisors

  • 555 = 3 × 5 × 37
  • Divisors: 1, 3, 5, 15, 37, 111, 185, 555
  • Sum of divisors (including 555): 912; sum of proper divisors: 357
  • Classification: deficient (sum of proper divisors < 555)

• Base conversions

  • Binary: 1000101011
  • Octal: 1053
  • Hexadecimal: 0x22B

• Quick checks

  • Divisible by 3? Yes (digits sum to 15)
  • Divisible by 9? No (15 not multiple of 9)
  • Divisible by 5? Yes (ends in 5)

If you want, I can turn this into a quick 5-question drill (with solutions) or tailor problems to a specific topic (divisibility, factorization, base conversions, etc.). What would you prefer?