555

Not sure what you want with "555". Here are a few quick math facts about it. Tell me if you want something else (a problem, a derivation, etc.) and I’ll tailor it.

• Prime factorization: 555 = 3 × 5 × 37
• Digit sum: 5 + 5 + 5 = 15 (so divisible by 3 and by 5)
• Divisors: with 3^1 · 5^1 · 37^1, number of divisors = (1+1)(1+1)(1+1) = 8
• Roman numeral: DLV
• Binary: 1000101011
• Hexadecimal: 0x22B

Would you like me to turn this into a practice question, or go deeper on any of these?