Compare 1660 vs 1668

Property	1660	1668
Type	composite number	composite number
Unique factors	3	3
Total factors	4	4
Prime factorization	2² × 5¹ × 83¹	2² × 3¹ × 139¹
Prime factorization	2 × 2 × 5 × 83	2 × 2 × 3 × 139
Divisors count	12	12
Divisors	1, 2, 4, 5, 10, 20, 83, 166, 332, 415, 830, 1660	1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668
Number of properties	0	0
Roman numberals	MDCLX	MDCLXVIII
Base 2	11001111100₂	11010000100₂
Base 3	2021111₃	2021210₃
Base 4	121330₄	122010₄
Base 5	23120₅	23133₅
Base 6	11404₆	11420₆
Base 7	4561₇	4602₇
Base 8	3174₈	3204₈
Base 9	2244₉	2253₉
Base 10	1660₁₀	1668₁₀
Base 11	127a₁₁	1287₁₁
Base 12	b64₁₂	b70₁₂
Base 13	9a9₁₃	9b4₁₃
Base 14	868₁₄	872₁₄
Base 15	75a₁₅	763₁₅
Base 16	67c₁₆	684₁₆