Compare 666087 vs 666089

Property	666087	666089
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	3¹ × 222029¹	666089¹
Prime factorization	3 × 222029	666089
Divisors count	4	2
Divisors	1, 3, 222029, 666087	1, 666089
Number of properties	1	3
Chen primes		21128th
Primes		54031st
Semiprimes	142474th
Twin primes (1st member)		5832nd
Roman numberals
Base 2	10100010100111100111₂	10100010100111101001₂
Base 3	1020211200220₃	1020211200222₃
Base 4	2202213213₄	2202213221₄
Base 5	132303322₅	132303324₅
Base 6	22135423₆	22135425₆
Base 7	5442642₇	5442644₇
Base 8	2424747₈	2424751₈
Base 9	1224626₉	1224628₉
Base 10	666087₁₀	666089₁₀
Base 11	415494₁₁	415496₁₁
Base 12	281573₁₂	281575₁₂
Base 13	1a4246₁₃	1a4248₁₃
Base 14	134a59₁₄	134a5b₁₄
Base 15	d255c₁₅	d255e₁₅
Base 16	a29e7₁₆	a29e9₁₆