Compare 639697 vs 640963

Property	639697	640963
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639697¹	640963¹
Prime factorization	639697	640963
Divisors count	2	2
Divisors	1, 639697	1, 640963
Number of properties	5	6
Cousin primes (1st member)	5628th	5638th
Isolated primes	40797th	40873rd
Lucky primes		5983rd
Primes	52054th	52148th
Prime triplets (1st member)	2061st
Sexy primes (1st member)	11281st
Sexy primes (2nd member)		11300th
Ulam primes		3823rd
Roman numberals
Base 2	10011100001011010001₂	10011100011111000011₂
Base 3	1012111111111₃	1012120020101₃
Base 4	2130023101₄	2130133003₄
Base 5	130432242₅	131002323₅
Base 6	21413321₆	21423231₆
Base 7	5303002₇	5306461₇
Base 8	2341321₈	2343703₈
Base 9	1174444₉	1176211₉
Base 10	639697₁₀	640963₁₀
Base 11	3a7683₁₁	3a8624₁₁
Base 12	26a241₁₂	26ab17₁₂
Base 13	195226₁₃	19598b₁₃
Base 14	1291a9₁₄	129831₁₄
Base 15	c9817₁₅	c9dad₁₅
Base 16	9c2d1₁₆	9c7c3₁₆