Compare 639857 vs 640009

Property	639857	640009
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639857¹	640009¹
Prime factorization	639857	640009
Divisors count	2	2
Divisors	1, 639857	1, 640009
Number of properties	6	6
Additive primes		20351st
Chen primes	20372nd	20378th
Cousin primes (2nd member)	5629th
Happy primes		7413th
Isolated primes	40805th
Lucky primes		5978th
Primes	52066th	52076th
Prime triplets (3rd member)	2062nd
Sexy primes (2nd member)	11284th
Twin primes (2nd member)		5632nd
Roman numberals
Base 2	10011100001101110001₂	10011100010000001001₂
Base 3	1012111201102₃	1012111221001₃
Base 4	2130031301₄	2130100021₄
Base 5	130433412₅	130440014₅
Base 6	21414145₆	21415001₆
Base 7	5303321₇	5303626₇
Base 8	2341561₈	2342011₈
Base 9	1174642₉	1174831₉
Base 10	639857₁₀	640009₁₀
Base 11	3a7809₁₁	3a7937₁₁
Base 12	26a355₁₂	26a461₁₂
Base 13	19531a₁₃	195406₁₃
Base 14	129281₁₄	12934d₁₄
Base 15	c98c2₁₅	c9974₁₅
Base 16	9c371₁₆	9c409₁₆