555

Do you want something specific with the number 555, or should I give you quick math facts and a couple of practice problems?

Here are quick facts about 555 (base-10):

• Prime factorization: 3 × 5 × 37
• Divisible by: 3 and 5 (and thus by 15); not divisible by 9
• Binary: 1000101011
• Hex: 0x22B
• Roman numeral: DLV

Sample quick practice (with answers):

• Problem: Factor 555 (done above) → 3 × 5 × 37
• Problem: Convert to binary and hex → Binary: 1000101011, Hex: 0x22B
• Problem: If you split 555 into baskets of 37, how many full baskets and remainder? → 15 full baskets, remainder 0 (555 = 37 × 15)
• Problem: Compute gcd(555, 140) → 5

Want me to turn this into a full mini-practice set, or convert 555 to another base, or apply it to a specific exam topic?