Compare 639967 vs 639978

Property	639967	639978
Type	semiprime	composite number
Unique factors	2	3
Total factors	2	3
Prime factorization	107¹ × 5981¹	2¹ × 3¹ × 106663¹
Prime factorization	107 × 5981	2 × 3 × 106663
Divisors count	4	8
Divisors	1, 107, 5981, 639967	1, 2, 3, 6, 106663, 213326, 319989, 639978
Number of properties	1	0
Semiprimes	137139th
Roman numberals
Base 2	10011100001111011111₂	10011100001111101010₂
Base 3	1012111212111₃	1012111212220₃
Base 4	2130033133₄	2130033222₄
Base 5	130434332₅	130434403₅
Base 6	21414451₆	21414510₆
Base 7	5303536₇	5303553₇
Base 8	2341737₈	2341752₈
Base 9	1174774₉	1174786₉
Base 10	639967₁₀	639978₁₀
Base 11	3a78a9₁₁	3a7909₁₁
Base 12	26a427₁₂	26a436₁₂
Base 13	1953a3₁₃	1953b1₁₃
Base 14	12931d₁₄	12932a₁₄
Base 15	c9947₁₅	c9953₁₅
Base 16	9c3df₁₆	9c3ea₁₆