Compare 639959 vs 640043

Property	639959	640043
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639959¹	640043¹
Prime factorization	639959	640043
Divisors count	2	2
Divisors	1, 639959	1, 640043
Number of properties	6	5
Additive primes	20348th	20353rd
Chen primes	20375th
Cousin primes (2nd member)		5632nd
Happy primes	7411th
Isolated primes	40811th	40817th
Primes	52072nd	52080th
Sexy primes (1st member)		11285th
Sophie germain primes	5307th
Roman numberals
Base 2	10011100001111010111₂	10011100010000101011₂
Base 3	1012111212012₃	1012111222022₃
Base 4	2130033113₄	2130100223₄
Base 5	130434314₅	130440133₅
Base 6	21414435₆	21415055₆
Base 7	5303525₇	5304005₇
Base 8	2341727₈	2342053₈
Base 9	1174765₉	1174868₉
Base 10	639959₁₀	640043₁₀
Base 11	3a78a1₁₁	3a7968₁₁
Base 12	26a41b₁₂	26a48b₁₂
Base 13	195398₁₃	195431₁₃
Base 14	129315₁₄	129375₁₄
Base 15	c993e₁₅	c9998₁₅
Base 16	9c3d7₁₆	9c42b₁₆