Compare 666 vs 668

Property	666	668
Type	composite number	composite number
Unique factors	3	2
Total factors	4	3
Prime factorization	2¹ × 3² × 37¹	2² × 167¹
Prime factorization	2 × 3 × 3 × 37	2 × 2 × 167
Divisors count	12	6
Divisors	1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666	1, 2, 4, 167, 334, 668
Number of properties	0	0
Roman numberals	DCLXVI	DCLXVIII
Base 2	1010011010₂	1010011100₂
Base 3	220200₃	220202₃
Base 4	22122₄	22130₄
Base 5	10131₅	10133₅
Base 6	3030₆	3032₆
Base 7	1641₇	1643₇
Base 8	1232₈	1234₈
Base 9	820₉	822₉
Base 10	666₁₀	668₁₀
Base 11	556₁₁	558₁₁
Base 12	476₁₂	478₁₂
Base 13	3c3₁₃	3c5₁₃
Base 14	358₁₄	35a₁₄
Base 15	2e6₁₅	2e8₁₅
Base 16	29a₁₆	29c₁₆