Compare 640009 vs 640229

Property	640009	640229
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640009¹	640229¹
Prime factorization	640009	640229
Divisors count	2	2
Divisors	1, 640009	1, 640229
Number of properties	6	5
Additive primes	20351st	20361st
Chen primes	20378th	20387th
Happy primes	7413th
Lucky primes	5978th
Primes	52076th	52095th
Sexy primes (2nd member)		11287th
Twin primes (1st member)		5634th
Twin primes (2nd member)	5632nd
Roman numberals
Base 2	10011100010000001001₂	10011100010011100101₂
Base 3	1012111221001₃	1012112020012₃
Base 4	2130100021₄	2130103211₄
Base 5	130440014₅	130441404₅
Base 6	21415001₆	21420005₆
Base 7	5303626₇	5304362₇
Base 8	2342011₈	2342345₈
Base 9	1174831₉	1175205₉
Base 10	640009₁₀	640229₁₀
Base 11	3a7937₁₁	3a8017₁₁
Base 12	26a461₁₂	26a605₁₂
Base 13	195406₁₃	195545₁₃
Base 14	12934d₁₄	129469₁₄
Base 15	c9974₁₅	c9a6e₁₅
Base 16	9c409₁₆	9c4e5₁₆