Compare 665761 vs 666431

Property	665761	666431
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	665761¹	666431¹
Prime factorization	665761	666431
Divisors count	2	2
Divisors	1, 665761	1, 666431
Number of properties	4	10
Additive primes	21080th
Chen primes		21134th
Cousin primes (2nd member)		5828th
Isolated primes	42351st
Primes	54006th	54051st
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
Ulam primes	3965th	3969th
Roman numberals
Base 2	10100010100010100001₂	10100010101100111111₂
Base 3	1020211020211₃	1020212011122₃
Base 4	2202202201₄	2202230333₄
Base 5	132301021₅	132311211₅
Base 6	22134121₆	22141155₆
Base 7	5441665₇	5443643₇
Base 8	2424241₈	2425477₈
Base 9	1224224₉	1225148₉
Base 10	665761₁₀	666431₁₀
Base 11	415218₁₁	415777₁₁
Base 12	281341₁₂	2817bb₁₂
Base 13	1a4055₁₃	1a444c₁₃
Base 14	1348a5₁₄	134c23₁₄
Base 15	d23e1₁₅	d26db₁₅
Base 16	a28a1₁₆	a2b3f₁₆