Compare 666431 vs 666557

Property	666431	666557
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666431¹	666557¹
Prime factorization	666431	666557
Divisors count	2	2
Divisors	1, 666431	1, 666557
Number of properties	10	3
Chen primes	21134th	21138th
Cousin primes (2nd member)	5828th
Primes	54051st	54062nd
Prime quadruplets (1st member)	130th
Prime quintuplet 1s (2nd member)	26th
Prime triplets (1st member)	2128th
Prime triplets (2nd member)	2127th
Sexy primes (1st member)	11664th
Twin primes (1st member)	5833rd	5836th
Ulam primes	3969th
Roman numberals
Base 2	10100010101100111111₂	10100010101110111101₂
Base 3	1020212011122₃	1020212100022₃
Base 4	2202230333₄	2202232331₄
Base 5	132311211₅	132312212₅
Base 6	22141155₆	22141525₆
Base 7	5443643₇	5444213₇
Base 8	2425477₈	2425675₈
Base 9	1225148₉	1225308₉
Base 10	666431₁₀	666557₁₀
Base 11	415777₁₁	415881₁₁
Base 12	2817bb₁₂	2818a5₁₂
Base 13	1a444c₁₃	1a4518₁₃
Base 14	134c23₁₄	134cb3₁₄
Base 15	d26db₁₅	d2772₁₅
Base 16	a2b3f₁₆	a2bbd₁₆