Compare 640247 vs 640853

Property	640247	640853
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640247¹	640853¹
Prime factorization	640247	640853
Divisors count	2	2
Divisors	1, 640247	1, 640853
Number of properties	5	6
Additive primes	20362nd
Chen primes	20388th
Isolated primes		40862nd
Primes	52097th	52137th
Sexy primes (1st member)		11297th
Sexy primes (2nd member)		11296th
Sexy prime triplets (2nd member)		2072nd
Twin primes (1st member)	5635th
Ulam primes	3818th	3820th
Roman numberals
Base 2	10011100010011110111₂	10011100011101010101₂
Base 3	1012112020212₃	1012120002022₃
Base 4	2130103313₄	2130131111₄
Base 5	130441442₅	131001403₅
Base 6	21420035₆	21422525₆
Base 7	5304416₇	5306243₇
Base 8	2342367₈	2343525₈
Base 9	1175225₉	1176068₉
Base 10	640247₁₀	640853₁₀
Base 11	3a8033₁₁	3a8534₁₁
Base 12	26a61b₁₂	26aa45₁₂
Base 13	19555a₁₃	195905₁₃
Base 14	12947d₁₄	129793₁₄
Base 15	c9a82₁₅	c9d38₁₅
Base 16	9c4f7₁₆	9c755₁₆