Compare 640009 vs 640127

Property	640009	640127
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640009¹	640127¹
Prime factorization	640009	640127
Divisors count	2	2
Divisors	1, 640009	1, 640127
Number of properties	6	4
Additive primes	20351st
Chen primes	20378th
Happy primes	7413th
Isolated primes		40824th
Lucky primes	5978th
Primes	52076th	52087th
Safe primes		3017th
Sexy primes (2nd member)		11286th
Twin primes (2nd member)	5632nd
Roman numberals
Base 2	10011100010000001001₂	10011100010001111111₂
Base 3	1012111221001₃	1012112002102₃
Base 4	2130100021₄	2130101333₄
Base 5	130440014₅	130441002₅
Base 6	21415001₆	21415315₆
Base 7	5303626₇	5304155₇
Base 8	2342011₈	2342177₈
Base 9	1174831₉	1175072₉
Base 10	640009₁₀	640127₁₀
Base 11	3a7937₁₁	3a7a34₁₁
Base 12	26a461₁₂	26a53b₁₂
Base 13	195406₁₃	195497₁₃
Base 14	12934d₁₄	1293d5₁₄
Base 15	c9974₁₅	c9a02₁₅
Base 16	9c409₁₆	9c47f₁₆