Compare 639853 vs 640009

Property	639853	640009
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639853¹	640009¹
Prime factorization	639853	640009
Divisors count	2	2
Divisors	1, 639853	1, 640009
Number of properties	4	6
Additive primes		20351st
Chen primes		20378th
Cousin primes (1st member)	5629th
Happy primes		7413th
Lucky primes		5978th
Primes	52065th	52076th
Prime triplets (2nd member)	2062nd
Twin primes (2nd member)	5631st	5632nd
Roman numberals
Base 2	10011100001101101101₂	10011100010000001001₂
Base 3	1012111201021₃	1012111221001₃
Base 4	2130031231₄	2130100021₄
Base 5	130433403₅	130440014₅
Base 6	21414141₆	21415001₆
Base 7	5303314₇	5303626₇
Base 8	2341555₈	2342011₈
Base 9	1174637₉	1174831₉
Base 10	639853₁₀	640009₁₀
Base 11	3a7805₁₁	3a7937₁₁
Base 12	26a351₁₂	26a461₁₂
Base 13	195316₁₃	195406₁₃
Base 14	12927b₁₄	12934d₁₄
Base 15	c98bd₁₅	c9974₁₅
Base 16	9c36d₁₆	9c409₁₆