Compare 640859 vs 640963

Property	640859	640963
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640859¹	640963¹
Prime factorization	640859	640963
Divisors count	2	2
Divisors	1, 640859	1, 640963
Number of properties	5	6
Chen primes	20402nd
Cousin primes (1st member)		5638th
Isolated primes	40863rd	40873rd
Lucky primes		5983rd
Primes	52138th	52148th
Sexy primes (2nd member)	11297th	11300th
Sexy prime triplets (3rd member)	2072nd
Ulam primes		3823rd
Roman numberals
Base 2	10011100011101011011₂	10011100011111000011₂
Base 3	1012120002112₃	1012120020101₃
Base 4	2130131123₄	2130133003₄
Base 5	131001414₅	131002323₅
Base 6	21422535₆	21423231₆
Base 7	5306252₇	5306461₇
Base 8	2343533₈	2343703₈
Base 9	1176075₉	1176211₉
Base 10	640859₁₀	640963₁₀
Base 11	3a853a₁₁	3a8624₁₁
Base 12	26aa4b₁₂	26ab17₁₂
Base 13	19590b₁₃	19598b₁₃
Base 14	129799₁₄	129831₁₄
Base 15	c9d3e₁₅	c9dad₁₅
Base 16	9c75b₁₆	9c7c3₁₆