Compare 639307 vs 640009

Property	639307	640009
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639307¹	640009¹
Prime factorization	639307	640009
Divisors count	2	2
Divisors	1, 639307	1, 640009
Number of properties	4	6
Additive primes		20351st
Chen primes		20378th
Cousin primes (1st member)	5626th
Happy primes		7413th
Isolated primes	40773rd
Lucky primes	5972nd	5978th
Primes	52024th	52076th
Twin primes (2nd member)		5632nd
Roman numberals
Base 2	10011100000101001011₂	10011100010000001001₂
Base 3	1012110222001₃	1012111221001₃
Base 4	2130011023₄	2130100021₄
Base 5	130424212₅	130440014₅
Base 6	21411431₆	21415001₆
Base 7	5301604₇	5303626₇
Base 8	2340513₈	2342011₈
Base 9	1173861₉	1174831₉
Base 10	639307₁₀	640009₁₀
Base 11	3a7359₁₁	3a7937₁₁
Base 12	269b77₁₂	26a461₁₂
Base 13	194cb6₁₃	195406₁₃
Base 14	128dab₁₄	12934d₁₄
Base 15	c9657₁₅	c9974₁₅
Base 16	9c14b₁₆	9c409₁₆