Compare 640121 vs 640847

Property	640121	640847
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640121¹	640847¹
Prime factorization	640121	640847
Divisors count	2	2
Divisors	1, 640121	1, 640847
Number of properties	4	5
Additive primes		20377th
Chen primes	20382nd
Isolated primes	40823rd	40861st
Primes	52086th	52136th
Sexy primes (1st member)	11286th	11296th
Sexy prime triplets (1st member)		2072nd
Roman numberals
Base 2	10011100010001111001₂	10011100011101001111₂
Base 3	1012112002012₃	1012120002002₃
Base 4	2130101321₄	2130131033₄
Base 5	130440441₅	131001342₅
Base 6	21415305₆	21422515₆
Base 7	5304146₇	5306234₇
Base 8	2342171₈	2343517₈
Base 9	1175065₉	1176062₉
Base 10	640121₁₀	640847₁₀
Base 11	3a7a29₁₁	3a8529₁₁
Base 12	26a535₁₂	26aa3b₁₂
Base 13	195491₁₃	1958cc₁₃
Base 14	1293cd₁₄	12978b₁₄
Base 15	c99eb₁₅	c9d32₁₅
Base 16	9c479₁₆	9c74f₁₆