Compare 640009 vs 640219

Property	640009	640219
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640009¹	640219¹
Prime factorization	640009	640219
Divisors count	2	2
Divisors	1, 640009	1, 640219
Number of properties	6	4
Additive primes	20351st
Chen primes	20378th	20386th
Cousin primes (1st member)		5633rd
Happy primes	7413th
Isolated primes		40828th
Lucky primes	5978th
Primes	52076th	52093rd
Twin primes (2nd member)	5632nd
Roman numberals
Base 2	10011100010000001001₂	10011100010011011011₂
Base 3	1012111221001₃	1012112012211₃
Base 4	2130100021₄	2130103123₄
Base 5	130440014₅	130441334₅
Base 6	21415001₆	21415551₆
Base 7	5303626₇	5304346₇
Base 8	2342011₈	2342333₈
Base 9	1174831₉	1175184₉
Base 10	640009₁₀	640219₁₀
Base 11	3a7937₁₁	3a8008₁₁
Base 12	26a461₁₂	26a5b7₁₂
Base 13	195406₁₃	195538₁₃
Base 14	12934d₁₄	12945d₁₄
Base 15	c9974₁₅	c9a64₁₅
Base 16	9c409₁₆	9c4db₁₆