Compare 664199 vs 666143

Property	664199	666143
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	664199¹	666143¹
Prime factorization	664199	666143
Divisors count	2	2
Divisors	1, 664199	1, 666143
Number of properties	5	4
Chen primes	21074th
Cousin primes (2nd member)		5825th
Isolated primes	42252nd	42373rd
Primes	53885th	54036th
Safe primes	3110th	3118th
Sexy primes (2nd member)	11632nd
Roman numberals
Base 2	10100010001010000111₂	10100010101000011111₂
Base 3	1020202002222₃	1020211202222₃
Base 4	2202022013₄	2202220133₄
Base 5	132223244₅	132304033₅
Base 6	22122555₆	22135555₆
Base 7	5434304₇	5443052₇
Base 8	2421207₈	2425037₈
Base 9	1222088₉	1224688₉
Base 10	664199₁₀	666143₁₀
Base 11	414028₁₁	415535₁₁
Base 12	28045b₁₂	2815bb₁₂
Base 13	1a3423₁₃	1a428a₁₃
Base 14	1340ab₁₄	134a99₁₄
Base 15	d1bee₁₅	d2598₁₅
Base 16	a2287₁₆	a2a1f₁₆