Compare 663979 vs 664199

Property	663979	664199
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	663979¹	664199¹
Prime factorization	663979	664199
Divisors count	2	2
Divisors	1, 663979	1, 664199
Number of properties	10	5
Chen primes	21068th	21074th
Cousin primes (1st member)	5809th
Isolated primes		42252nd
Lucky primes	6163rd
Primes	53865th	53885th
Prime triplets (2nd member)	2118th
Prime triplets (3rd member)	2117th
Safe primes		3110th
Sexy primes (2nd member)	11627th	11632nd
Sexy prime quadrupletss (4th member)	238th
Sexy prime triplets (3rd member)	2120th
Twin primes (2nd member)	5816th
Roman numberals
Base 2	10100010000110101011₂	10100010001010000111₂
Base 3	1020201210211₃	1020202002222₃
Base 4	2202012223₄	2202022013₄
Base 5	132221404₅	132223244₅
Base 6	22121551₆	22122555₆
Base 7	5433541₇	5434304₇
Base 8	2420653₈	2421207₈
Base 9	1221724₉	1222088₉
Base 10	663979₁₀	664199₁₀
Base 11	413948₁₁	414028₁₁
Base 12	2802b7₁₂	28045b₁₂
Base 13	1a32b4₁₃	1a3423₁₃
Base 14	133d91₁₄	1340ab₁₄
Base 15	d1b04₁₅	d1bee₁₅
Base 16	a21ab₁₆	a2287₁₆