Compare 638980 vs 638991

Property	638980	638991
Type	composite number	composite number
Unique factors	4	2
Total factors	5	3
Prime factorization	2² × 5¹ × 43¹ × 743¹	3² × 70999¹
Prime factorization	2 × 2 × 5 × 43 × 743	3 × 3 × 70999
Divisors count	24	6
Divisors	1, 2, 4, 5, 10, 20, 43, 86, 172, 215, 430, 743, 860, 1486, 2972, 3715, 7430, 14860, 31949, 63898, 127796, 159745, 319490, 638980	1, 3, 9, 70999, 212997, 638991
Number of properties	0	0
Roman numberals
Base 2	10011100000000000100₂	10011100000000001111₂
Base 3	1012110111221₃	1012110112100₃
Base 4	2130000010₄	2130000033₄
Base 5	130421410₅	130421431₅
Base 6	21410124₆	21410143₆
Base 7	5300626₇	5300643₇
Base 8	2340004₈	2340017₈
Base 9	1173457₉	1173470₉
Base 10	638980₁₀	638991₁₀
Base 11	3a7091₁₁	3a70a1₁₁
Base 12	269944₁₂	269953₁₂
Base 13	194ac4₁₃	194b02₁₃
Base 14	128c16₁₄	128c23₁₄
Base 15	c94da₁₅	c94e6₁₅
Base 16	9c004₁₆	9c00f₁₆