Compare 1668 vs 1680

Property	1668	1680
Type	composite number	composite number
Unique factors	3	4
Total factors	4	7
Prime factorization	2² × 3¹ × 139¹	2⁴ × 3¹ × 5¹ × 7¹
Prime factorization	2 × 2 × 3 × 139	2 × 2 × 2 × 2 × 3 × 5 × 7
Divisors count	12	40
Divisors	1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668	1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 560, 840, 1680
Number of properties	0	0
Roman numberals	MDCLXVIII	MDCLXXX
Base 2	11010000100₂	11010010000₂
Base 3	2021210₃	2022020₃
Base 4	122010₄	122100₄
Base 5	23133₅	23210₅
Base 6	11420₆	11440₆
Base 7	4602₇	4620₇
Base 8	3204₈	3220₈
Base 9	2253₉	2266₉
Base 10	1668₁₀	1680₁₀
Base 11	1287₁₁	1298₁₁
Base 12	b70₁₂	b80₁₂
Base 13	9b4₁₃	9c3₁₃
Base 14	872₁₄	880₁₄
Base 15	763₁₅	770₁₅
Base 16	684₁₆	690₁₆