Compare 639985 vs 640031

Property	639985	640031
Type	semiprime	semiprime
Unique factors	2	2
Total factors	2	2
Prime factorization	5¹ × 127997¹	7¹ × 91433¹
Prime factorization	5 × 127997	7 × 91433
Divisors count	4	4
Divisors	1, 5, 127997, 639985	1, 7, 91433, 640031
Number of properties	1	1
Semiprimes	137143rd	137150th
Roman numberals
Base 2	10011100001111110001₂	10011100010000011111₂
Base 3	1012111220011₃	1012111221212₃
Base 4	2130033301₄	2130100133₄
Base 5	130434420₅	130440111₅
Base 6	21414521₆	21415035₆
Base 7	5303563₇	5303660₇
Base 8	2341761₈	2342037₈
Base 9	1174804₉	1174855₉
Base 10	639985₁₀	640031₁₀
Base 11	3a7915₁₁	3a7957₁₁
Base 12	26a441₁₂	26a47b₁₂
Base 13	1953b8₁₃	195422₁₃
Base 14	129333₁₄	129367₁₄
Base 15	c995a₁₅	c998b₁₅
Base 16	9c3f1₁₆	9c41f₁₆