Compare 638983 vs 638991

Property	638983	638991
Type	semiprime	composite number
Unique factors	2	2
Total factors	2	3
Prime factorization	139¹ × 4597¹	3² × 70999¹
Prime factorization	139 × 4597	3 × 3 × 70999
Divisors count	4	6
Divisors	1, 139, 4597, 638983	1, 3, 9, 70999, 212997, 638991
Number of properties	1	0
Semiprimes	136924th
Roman numberals
Base 2	10011100000000000111₂	10011100000000001111₂
Base 3	1012110112001₃	1012110112100₃
Base 4	2130000013₄	2130000033₄
Base 5	130421413₅	130421431₅
Base 6	21410131₆	21410143₆
Base 7	5300632₇	5300643₇
Base 8	2340007₈	2340017₈
Base 9	1173461₉	1173470₉
Base 10	638983₁₀	638991₁₀
Base 11	3a7094₁₁	3a70a1₁₁
Base 12	269947₁₂	269953₁₂
Base 13	194ac7₁₃	194b02₁₃
Base 14	128c19₁₄	128c23₁₄
Base 15	c94dd₁₅	c94e6₁₅
Base 16	9c007₁₆	9c00f₁₆