555

Could you tell me what you want to do with 555? Here are quick options you can pick from for exam prep:

• Math properties
  • Factorization: 555 = 3 × 5 × 37
  • Divisible by: 3, 5, 15
  • Palindrome in base 10: yes
• Representations
  • Roman numeral: DLV
  • Binary: 1000101011
  • Hexadecimal: 0x22B
• Electronics (555 timer IC)
  • Explain monostable/astable operation, formulas for frequency/period
• Other interpretations
  • 555 in Thai texting means “hahaha” (optional trivia)

Which one would you like to dive into, or do you want a couple of practice questions?