Compare 639851 vs 640583

Property	639851	640583
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639851¹	640583¹
Prime factorization	639851	640583
Divisors count	2	2
Divisors	1, 639851	1, 640583
Number of properties	6	6
Chen primes	20371st
Cousin primes (2nd member)		5635th
Isolated primes		40845th
Primes	52064th	52118th
Prime triplets (1st member)	2062nd
Safe primes		3020th
Sexy primes (1st member)	11284th	11292nd
Sophie germain primes	5305th	5309th
Twin primes (1st member)	5631st
Roman numberals
Base 2	10011100001101101011₂	10011100011001000111₂
Base 3	1012111201012₃	1012112201022₃
Base 4	2130031223₄	2130121013₄
Base 5	130433401₅	130444313₅
Base 6	21414135₆	21421355₆
Base 7	5303312₇	5305406₇
Base 8	2341553₈	2343107₈
Base 9	1174635₉	1175638₉
Base 10	639851₁₀	640583₁₀
Base 11	3a7803₁₁	3a8309₁₁
Base 12	26a34b₁₂	26a85b₁₂
Base 13	195314₁₃	195758₁₃
Base 14	129279₁₄	12963d₁₄
Base 15	c98bb₁₅	c9c08₁₅
Base 16	9c36b₁₆	9c647₁₆