Compare 1990 vs 2000

Property	1990	2000
Type	composite number	composite number
Unique factors	3	2
Total factors	3	7
Prime factorization	2¹ × 5¹ × 199¹	2⁴ × 5³
Prime factorization	2 × 5 × 199	2 × 2 × 2 × 2 × 5 × 5 × 5
Divisors count	8	20
Divisors	1, 2, 5, 10, 199, 398, 995, 1990	1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 1000, 2000
Number of properties	0	0
Roman numberals	MCMXC	MM
Base 2	11111000110₂	11111010000₂
Base 3	2201201₃	2202002₃
Base 4	133012₄	133100₄
Base 5	30430₅	31000₅
Base 6	13114₆	13132₆
Base 7	5542₇	5555₇
Base 8	3706₈	3720₈
Base 9	2651₉	2662₉
Base 10	1990₁₀	2000₁₀
Base 11	154a₁₁	1559₁₁
Base 12	119a₁₂	11a8₁₂
Base 13	ba1₁₃	bab₁₃
Base 14	a22₁₄	a2c₁₄
Base 15	8ca₁₅	8d5₁₅
Base 16	7c6₁₆	7d0₁₆