Compare 990 vs 993

Property	990	993
Type	composite number	semiprime
Unique factors	4	2
Total factors	5	2
Prime factorization	2¹ × 3² × 5¹ × 11¹	3¹ × 331¹
Prime factorization	2 × 3 × 3 × 5 × 11	3 × 331
Divisors count	24	4
Divisors	1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990	1, 3, 331, 993
Number of properties	0	1
Semiprimes		297th
Roman numberals	CMXC	CMXCIII
Base 2	1111011110₂	1111100001₂
Base 3	1100200₃	1100210₃
Base 4	33132₄	33201₄
Base 5	12430₅	12433₅
Base 6	4330₆	4333₆
Base 7	2613₇	2616₇
Base 8	1736₈	1741₈
Base 9	1320₉	1323₉
Base 10	990₁₀	993₁₀
Base 11	820₁₁	823₁₁
Base 12	6a6₁₂	6a9₁₂
Base 13	5b2₁₃	5b5₁₃
Base 14	50a₁₄	50d₁₄
Base 15	460₁₅	463₁₅
Base 16	3de₁₆	3e1₁₆