Compare 666557 vs 667421

Property	666557	667421
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666557¹	667421¹
Prime factorization	666557	667421
Divisors count	2	2
Divisors	1, 666557	1, 667421
Number of properties	3	7
Chen primes	21138th	21156th
Cousin primes (2nd member)		5837th
Primes	54062nd	54123rd
Prime triplets (1st member)		2134th
Prime triplets (2nd member)		2133rd
Sexy primes (1st member)		11676th
Twin primes (1st member)	5836th	5844th
Roman numberals
Base 2	10100010101110111101₂	10100010111100011101₂
Base 3	1020212100022₃	1020220112022₃
Base 4	2202232331₄	2202330131₄
Base 5	132312212₅	132324141₅
Base 6	22141525₆	22145525₆
Base 7	5444213₇	5446556₇
Base 8	2425675₈	2427435₈
Base 9	1225308₉	1226468₉
Base 10	666557₁₀	667421₁₀
Base 11	415881₁₁	416497₁₁
Base 12	2818a5₁₂	2822a5₁₂
Base 13	1a4518₁₃	1a4a31₁₃
Base 14	134cb3₁₄	13532d₁₄
Base 15	d2772₁₅	d2b4b₁₅
Base 16	a2bbd₁₆	a2f1d₁₆