Compare 666643 vs 667687

Property	666643	667687
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	666643¹	667687¹
Prime factorization	666643	667687
Divisors count	2	2
Divisors	1, 666643	1, 667687
Number of properties	8	4
Additive primes	21104th
Cousin primes (1st member)	5830th	5840th
Isolated primes	42396th	42454th
Lucky primes		6192nd
Primes	54067th	54145th
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	10100011000000100111₂
Base 3	1020212110111₃	1020220220011₃
Base 4	2202300103₄	2203000213₄
Base 5	132313033₅	132331222₅
Base 6	22142151₆	22151051₆
Base 7	5444365₇	5450416₇
Base 8	2426023₈	2430047₈
Base 9	1225414₉	1226804₉
Base 10	666643₁₀	667687₁₀
Base 11	41594a₁₁	416709₁₁
Base 12	281957₁₂	282487₁₂
Base 13	1a4583₁₃	1a4ba7₁₃
Base 14	134d35₁₄	13547d₁₄
Base 15	d27cd₁₅	d2c77₁₅
Base 16	a2c13₁₆	a3027₁₆