Compare 640043 vs 640121

Property	640043	640121
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640043¹	640121¹
Prime factorization	640043	640121
Divisors count	2	2
Divisors	1, 640043	1, 640121
Number of properties	5	4
Additive primes	20353rd
Chen primes		20382nd
Cousin primes (2nd member)	5632nd
Isolated primes	40817th	40823rd
Primes	52080th	52086th
Sexy primes (1st member)	11285th	11286th
Roman numberals
Base 2	10011100010000101011₂	10011100010001111001₂
Base 3	1012111222022₃	1012112002012₃
Base 4	2130100223₄	2130101321₄
Base 5	130440133₅	130440441₅
Base 6	21415055₆	21415305₆
Base 7	5304005₇	5304146₇
Base 8	2342053₈	2342171₈
Base 9	1174868₉	1175065₉
Base 10	640043₁₀	640121₁₀
Base 11	3a7968₁₁	3a7a29₁₁
Base 12	26a48b₁₂	26a535₁₂
Base 13	195431₁₃	195491₁₃
Base 14	129375₁₄	1293cd₁₄
Base 15	c9998₁₅	c99eb₁₅
Base 16	9c42b₁₆	9c479₁₆