Compare 639601 vs 640009

Property	639601	640009
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639601¹	640009¹
Prime factorization	639601	640009
Divisors count	2	2
Divisors	1, 639601	1, 640009
Number of properties	3	6
Additive primes		20351st
Chen primes		20378th
Happy primes		7413th
Lucky primes	5975th	5978th
Primes	52046th	52076th
Twin primes (2nd member)	5628th	5632nd
Roman numberals
Base 2	10011100001001110001₂	10011100010000001001₂
Base 3	1012111100221₃	1012111221001₃
Base 4	2130021301₄	2130100021₄
Base 5	130431401₅	130440014₅
Base 6	21413041₆	21415001₆
Base 7	5302504₇	5303626₇
Base 8	2341161₈	2342011₈
Base 9	1174327₉	1174831₉
Base 10	639601₁₀	640009₁₀
Base 11	3a75a6₁₁	3a7937₁₁
Base 12	26a181₁₂	26a461₁₂
Base 13	195181₁₃	195406₁₃
Base 14	12913b₁₄	12934d₁₄
Base 15	c97a1₁₅	c9974₁₅
Base 16	9c271₁₆	9c409₁₆