Compare 639937 vs 640043

Property	639937	640043
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639937¹	640043¹
Prime factorization	639937	640043
Divisors count	2	2
Divisors	1, 639937	1, 640043
Number of properties	6	5
Additive primes	20347th	20353rd
Cousin primes (1st member)	5631st
Cousin primes (2nd member)		5632nd
Good primes	1986th
Isolated primes	40808th	40817th
Primes	52069th	52080th
Sexy primes (1st member)		11285th
Super primes	5326th
Roman numberals
Base 2	10011100001111000001₂	10011100010000101011₂
Base 3	1012111211101₃	1012111222022₃
Base 4	2130033001₄	2130100223₄
Base 5	130434222₅	130440133₅
Base 6	21414401₆	21415055₆
Base 7	5303464₇	5304005₇
Base 8	2341701₈	2342053₈
Base 9	1174741₉	1174868₉
Base 10	639937₁₀	640043₁₀
Base 11	3a7881₁₁	3a7968₁₁
Base 12	26a401₁₂	26a48b₁₂
Base 13	19537c₁₃	195431₁₃
Base 14	1292db₁₄	129375₁₄
Base 15	c9927₁₅	c9998₁₅
Base 16	9c3c1₁₆	9c42b₁₆