Compare 3990 vs 3991

Property	3990	3991
Type	composite number	semiprime
Unique factors	5	2
Total factors	5	2
Prime factorization	2¹ × 3¹ × 5¹ × 7¹ × 19¹	13¹ × 307¹
Prime factorization	2 × 3 × 5 × 7 × 19	13 × 307
Divisors count	32	4
Divisors	1, 2, 3, 5, 6, 7, 10, 14, 15, 19, 21, 30, 35, 38, 42, 57, 70, 95, 105, 114, 133, 190, 210, 266, 285, 399, 570, 665, 798, 1330, 1995, 3990	1, 13, 307, 3991
Number of properties	0	1
Semiprimes		1102nd
Roman numberals	MMMCMXC	MMMCMXCI
Base 2	111110010110₂	111110010111₂
Base 3	12110210₃	12110211₃
Base 4	332112₄	332113₄
Base 5	111430₅	111431₅
Base 6	30250₆	30251₆
Base 7	14430₇	14431₇
Base 8	7626₈	7627₈
Base 9	5423₉	5424₉
Base 10	3990₁₀	3991₁₀
Base 11	2aa8₁₁	2aa9₁₁
Base 12	2386₁₂	2387₁₂
Base 13	1a7c₁₃	1a80₁₃
Base 14	1650₁₄	1651₁₄
Base 15	12b0₁₅	12b1₁₅
Base 16	f96₁₆	f97₁₆