Compare 639043 vs 640009

Property	639043	640009
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639043¹	640009¹
Prime factorization	639043	640009
Divisors count	2	2
Divisors	1, 639043	1, 640009
Number of properties	4	6
Additive primes		20351st
Chen primes		20378th
Happy primes		7413th
Isolated primes	40758th
Lucky primes	5968th	5978th
Primes	52005th	52076th
Sexy primes (1st member)	11269th
Twin primes (2nd member)		5632nd
Roman numberals
Base 2	10011100000001000011₂	10011100010000001001₂
Base 3	1012110121021₃	1012111221001₃
Base 4	2130001003₄	2130100021₄
Base 5	130422133₅	130440014₅
Base 6	21410311₆	21415001₆
Base 7	5301046₇	5303626₇
Base 8	2340103₈	2342011₈
Base 9	1173537₉	1174831₉
Base 10	639043₁₀	640009₁₀
Base 11	3a7139₁₁	3a7937₁₁
Base 12	269997₁₂	26a461₁₂
Base 13	194b42₁₃	195406₁₃
Base 14	128c5d₁₄	12934d₁₄
Base 15	c952d₁₅	c9974₁₅
Base 16	9c043₁₆	9c409₁₆