Compare 9990 vs 9999

Property	9990	9999
Type	composite number	composite number
Unique factors	4	3
Total factors	6	4
Prime factorization	2¹ × 3³ × 5¹ × 37¹	3² × 11¹ × 101¹
Prime factorization	2 × 3 × 3 × 3 × 5 × 37	3 × 3 × 11 × 101
Divisors count	32	12
Divisors	1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 37, 45, 54, 74, 90, 111, 135, 185, 222, 270, 333, 370, 555, 666, 999, 1110, 1665, 1998, 3330, 4995, 9990	1, 3, 9, 11, 33, 99, 101, 303, 909, 1111, 3333, 9999
Number of properties	0	0
Roman numberals
Base 2	10011100000110₂	10011100001111₂
Base 3	111201000₃	111201100₃
Base 4	2130012₄	2130033₄
Base 5	304430₅	304444₅
Base 6	114130₆	114143₆
Base 7	41061₇	41103₇
Base 8	23406₈	23417₈
Base 9	14630₉	14640₉
Base 10	9990₁₀	9999₁₀
Base 11	7562₁₁	7570₁₁
Base 12	5946₁₂	5953₁₂
Base 13	4716₁₃	4722₁₃
Base 14	38d8₁₄	3903₁₄
Base 15	2e60₁₅	2e69₁₅
Base 16	2706₁₆	270f₁₆