Compare 640043 vs 640061

Property	640043	640061
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640043¹	640061¹
Prime factorization	640043	640061
Divisors count	2	2
Divisors	1, 640043	1, 640061
Number of properties	5	4
Additive primes	20353rd	20355th
Chen primes		20380th
Cousin primes (2nd member)	5632nd
Isolated primes	40817th	40819th
Primes	52080th	52082nd
Sexy primes (1st member)	11285th
Roman numberals
Base 2	10011100010000101011₂	10011100010000111101₂
Base 3	1012111222022₃	1012111222222₃
Base 4	2130100223₄	2130100331₄
Base 5	130440133₅	130440221₅
Base 6	21415055₆	21415125₆
Base 7	5304005₇	5304032₇
Base 8	2342053₈	2342075₈
Base 9	1174868₉	1174888₉
Base 10	640043₁₀	640061₁₀
Base 11	3a7968₁₁	3a7984₁₁
Base 12	26a48b₁₂	26a4a5₁₂
Base 13	195431₁₃	195446₁₃
Base 14	129375₁₄	129389₁₄
Base 15	c9998₁₅	c99ab₁₅
Base 16	9c42b₁₆	9c43d₁₆