555

Not sure what you need with 555. Here are quick facts you can use for exams:

• Decimal factors: 555 = 3 × 5 × 37
• Divisors: 1, 3, 5, 15, 37, 111, 185, 555
• Roman numeral: DLV
• Binary: 1000101011₂
• Hexadecimal: 0x22B
• Octal: 1053₈
• Sum of proper divisors: 357 (so 555 is a deficient number)
• 555 timer IC: a common integrated circuit used for generating precise time delays and oscillators (astable/monostable modes)

Would you like me to convert it to another base, factor it, or craft a quick practice question around it?