Compare 1661 vs 1670

Property	1661	1670
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	3
Prime factorization	11¹ × 151¹	2¹ × 5¹ × 167¹
Prime factorization	11 × 151	2 × 5 × 167
Divisors count	4	8
Divisors	1, 11, 151, 1661	1, 2, 5, 10, 167, 334, 835, 1670
Number of properties	1	0
Semiprimes	479th
Roman numberals	MDCLXI	MDCLXX
Base 2	11001111101₂	11010000110₂
Base 3	2021112₃	2021212₃
Base 4	121331₄	122012₄
Base 5	23121₅	23140₅
Base 6	11405₆	11422₆
Base 7	4562₇	4604₇
Base 8	3175₈	3206₈
Base 9	2245₉	2255₉
Base 10	1661₁₀	1670₁₀
Base 11	1280₁₁	1289₁₁
Base 12	b65₁₂	b72₁₂
Base 13	9aa₁₃	9b6₁₃
Base 14	869₁₄	874₁₄
Base 15	75b₁₅	765₁₅
Base 16	67d₁₆	686₁₆