Compare 667421 vs 667487

Property	667421	667487
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	667421¹	667487¹
Prime factorization	667421	667487
Divisors count	2	2
Divisors	1, 667421	1, 667487
Number of properties	7	2
Chen primes	21156th
Cousin primes (2nd member)	5837th
Isolated primes		42442nd
Primes	54123rd	54129th
Prime triplets (1st member)	2134th
Prime triplets (2nd member)	2133rd
Sexy primes (1st member)	11676th
Twin primes (1st member)	5844th
Roman numberals
Base 2	10100010111100011101₂	10100010111101011111₂
Base 3	1020220112022₃	1020220121202₃
Base 4	2202330131₄	2202331133₄
Base 5	132324141₅	132324422₅
Base 6	22145525₆	22150115₆
Base 7	5446556₇	5450012₇
Base 8	2427435₈	2427537₈
Base 9	1226468₉	1226552₉
Base 10	667421₁₀	667487₁₀
Base 11	416497₁₁	416547₁₁
Base 12	2822a5₁₂	28233b₁₂
Base 13	1a4a31₁₃	1a4a82₁₃
Base 14	13532d₁₄	135379₁₄
Base 15	d2b4b₁₅	d2b92₁₅
Base 16	a2f1d₁₆	a2f5f₁₆