Compare 640043 vs 640069

Property	640043	640069
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640043¹	640069¹
Prime factorization	640043	640069
Divisors count	2	2
Divisors	1, 640043	1, 640069
Number of properties	5	2
Additive primes	20353rd
Cousin primes (2nd member)	5632nd
Isolated primes	40817th	40820th
Primes	52080th	52083rd
Sexy primes (1st member)	11285th
Roman numberals
Base 2	10011100010000101011₂	10011100010001000101₂
Base 3	1012111222022₃	1012112000021₃
Base 4	2130100223₄	2130101011₄
Base 5	130440133₅	130440234₅
Base 6	21415055₆	21415141₆
Base 7	5304005₇	5304043₇
Base 8	2342053₈	2342105₈
Base 9	1174868₉	1175007₉
Base 10	640043₁₀	640069₁₀
Base 11	3a7968₁₁	3a7991₁₁
Base 12	26a48b₁₂	26a4b1₁₂
Base 13	195431₁₃	195451₁₃
Base 14	129375₁₄	129393₁₄
Base 15	c9998₁₅	c99b4₁₅
Base 16	9c42b₁₆	9c445₁₆