Compare 662 vs 666

Property	662	666
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	4
Prime factorization	2¹ × 331¹	2¹ × 3² × 37¹
Prime factorization	2 × 331	2 × 3 × 3 × 37
Divisors count	4	12
Divisors	1, 2, 331, 662	1, 2, 3, 6, 9, 18, 37, 74, 111, 222, 333, 666
Number of properties	1	0
Semiprimes	198th
Roman numberals	DCLXII	DCLXVI
Base 2	1010010110₂	1010011010₂
Base 3	220112₃	220200₃
Base 4	22112₄	22122₄
Base 5	10122₅	10131₅
Base 6	3022₆	3030₆
Base 7	1634₇	1641₇
Base 8	1226₈	1232₈
Base 9	815₉	820₉
Base 10	662₁₀	666₁₀
Base 11	552₁₁	556₁₁
Base 12	472₁₂	476₁₂
Base 13	3bc₁₃	3c3₁₃
Base 14	354₁₄	358₁₄
Base 15	2e2₁₅	2e6₁₅
Base 16	296₁₆	29a₁₆