Compare 640121 vs 640853

Property	640121	640853
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640121¹	640853¹
Prime factorization	640121	640853
Divisors count	2	2
Divisors	1, 640121	1, 640853
Number of properties	4	6
Chen primes	20382nd
Isolated primes	40823rd	40862nd
Primes	52086th	52137th
Sexy primes (1st member)	11286th	11297th
Sexy primes (2nd member)		11296th
Sexy prime triplets (2nd member)		2072nd
Ulam primes		3820th
Roman numberals
Base 2	10011100010001111001₂	10011100011101010101₂
Base 3	1012112002012₃	1012120002022₃
Base 4	2130101321₄	2130131111₄
Base 5	130440441₅	131001403₅
Base 6	21415305₆	21422525₆
Base 7	5304146₇	5306243₇
Base 8	2342171₈	2343525₈
Base 9	1175065₉	1176068₉
Base 10	640121₁₀	640853₁₀
Base 11	3a7a29₁₁	3a8534₁₁
Base 12	26a535₁₂	26aa45₁₂
Base 13	195491₁₃	195905₁₃
Base 14	1293cd₁₄	129793₁₄
Base 15	c99eb₁₅	c9d38₁₅
Base 16	9c479₁₆	9c755₁₆