Compare 639985 vs 639986

Property	639985	639986
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	5¹ × 127997¹	2¹ × 319993¹
Prime factorization	5 × 127997	2 × 319993
Divisors count	4	4
Divisors	1, 5, 127997, 639985	1, 2, 319993, 639986
Number of properties	1	1
Semiprimes	137143rd	137144th
Roman numberals
Base 2	10011100001111110001₂	10011100001111110010₂
Base 3	1012111220011₃	1012111220012₃
Base 4	2130033301₄	2130033302₄
Base 5	130434420₅	130434421₅
Base 6	21414521₆	21414522₆
Base 7	5303563₇	5303564₇
Base 8	2341761₈	2341762₈
Base 9	1174804₉	1174805₉
Base 10	639985₁₀	639986₁₀
Base 11	3a7915₁₁	3a7916₁₁
Base 12	26a441₁₂	26a442₁₂
Base 13	1953b8₁₃	1953b9₁₃
Base 14	129333₁₄	129334₁₄
Base 15	c995a₁₅	c995b₁₅
Base 16	9c3f1₁₆	9c3f2₁₆