Compare 666857 vs 667421

Property	666857	667421
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666857¹	667421¹
Prime factorization	666857	667421
Divisors count	2	2
Divisors	1, 666857	1, 667421
Number of properties	3	7
Chen primes	21145th	21156th
Cousin primes (2nd member)		5837th
Isolated primes	42409th
Primes	54086th	54123rd
Prime triplets (1st member)		2134th
Prime triplets (2nd member)		2133rd
Sexy primes (1st member)		11676th
Twin primes (1st member)		5844th
Roman numberals
Base 2	10100010110011101001₂	10100010111100011101₂
Base 3	1020212202102₃	1020220112022₃
Base 4	2202303221₄	2202330131₄
Base 5	132314412₅	132324141₅
Base 6	22143145₆	22145525₆
Base 7	5445122₇	5446556₇
Base 8	2426351₈	2427435₈
Base 9	1225672₉	1226468₉
Base 10	666857₁₀	667421₁₀
Base 11	416024₁₁	416497₁₁
Base 12	281ab5₁₂	2822a5₁₂
Base 13	1a46b9₁₃	1a4a31₁₃
Base 14	135049₁₄	13532d₁₄
Base 15	d28c2₁₅	d2b4b₁₅
Base 16	a2ce9₁₆	a2f1d₁₆