Compare 666643 vs 666667

Property	666643	666667
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666643¹	666667¹
Prime factorization	666643	666667
Divisors count	2	2
Divisors	1, 666643	1, 666667
Number of properties	8	5
Additive primes	21104th	21106th
Cousin primes (1st member)	5830th	5831st
Isolated primes	42396th	42397th
Lucky primes		6184th
Primes	54067th	54070th
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	10100010110000101011₂
Base 3	1020212110111₃	1020212111101₃
Base 4	2202300103₄	2202300223₄
Base 5	132313033₅	132313132₅
Base 6	22142151₆	22142231₆
Base 7	5444365₇	5444431₇
Base 8	2426023₈	2426053₈
Base 9	1225414₉	1225441₉
Base 10	666643₁₀	666667₁₀
Base 11	41594a₁₁	415971₁₁
Base 12	281957₁₂	281977₁₂
Base 13	1a4583₁₃	1a45a1₁₃
Base 14	134d35₁₄	134d51₁₄
Base 15	d27cd₁₅	d27e7₁₅
Base 16	a2c13₁₆	a2c2b₁₆