555

Do you want to work with 555 in a math context, electronics (555 timer IC), or something else? Here are a few quick math facts in case that’s what you need:

• Prime factorization: 555 = 3 × 5 × 37
• Divisors: 1, 3, 5, 15, 37, 111, 185, 555 (8 divisors)
• Sum of divisors: 912
• Roman numeral: DLV
• Binary: 1000101011

If you meant the 555 timer IC, I can give a brief overview and common configurations (monostable, astable). Let me know your subject and goal.