Compare 639689 vs 640043

Property	639689	640043
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639689¹	640043¹
Prime factorization	639689	640043
Divisors count	2	2
Divisors	1, 639689	1, 640043
Number of properties	4	5
Additive primes	20341st	20353rd
Chen primes	20364th
Cousin primes (2nd member)		5632nd
Isolated primes	40796th	40817th
Primes	52053rd	52080th
Sexy primes (1st member)		11285th
Roman numberals
Base 2	10011100001011001001₂	10011100010000101011₂
Base 3	1012111111012₃	1012111222022₃
Base 4	2130023021₄	2130100223₄
Base 5	130432224₅	130440133₅
Base 6	21413305₆	21415055₆
Base 7	5302661₇	5304005₇
Base 8	2341311₈	2342053₈
Base 9	1174435₉	1174868₉
Base 10	639689₁₀	640043₁₀
Base 11	3a7676₁₁	3a7968₁₁
Base 12	26a235₁₂	26a48b₁₂
Base 13	19521b₁₃	195431₁₃
Base 14	1291a1₁₄	129375₁₄
Base 15	c980e₁₅	c9998₁₅
Base 16	9c2c9₁₆	9c42b₁₆