Compare 666643 vs 666671

Property	666643	666671
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666643¹	666671¹
Prime factorization	666643	666671
Divisors count	2	2
Divisors	1, 666643	1, 666671
Number of properties	8	4
Additive primes	21104th
Chen primes		21140th
Cousin primes (1st member)	5830th
Cousin primes (2nd member)		5831st
Isolated primes	42396th	42398th
Primes	54067th	54071st
Prime triplets (1st member)	2130th
Sexy primes (1st member)	11668th
Sexy primes (2nd member)	11667th
Sexy prime triplets (2nd member)	2126th
Roman numberals
Base 2	10100010110000010011₂	10100010110000101111₂
Base 3	1020212110111₃	1020212111112₃
Base 4	2202300103₄	2202300233₄
Base 5	132313033₅	132313141₅
Base 6	22142151₆	22142235₆
Base 7	5444365₇	5444435₇
Base 8	2426023₈	2426057₈
Base 9	1225414₉	1225445₉
Base 10	666643₁₀	666671₁₀
Base 11	41594a₁₁	415975₁₁
Base 12	281957₁₂	28197b₁₂
Base 13	1a4583₁₃	1a45a5₁₃
Base 14	134d35₁₄	134d55₁₄
Base 15	d27cd₁₅	d27eb₁₅
Base 16	a2c13₁₆	a2c2f₁₆