Compare 639731 vs 640043

Property	639731	640043
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639731¹	640043¹
Prime factorization	639731	640043
Divisors count	2	2
Divisors	1, 639731	1, 640043
Number of properties	4	5
Additive primes	20343rd	20353rd
Chen primes	20367th
Cousin primes (2nd member)		5632nd
Isolated primes	40800th	40817th
Primes	52059th	52080th
Sexy primes (1st member)		11285th
Roman numberals
Base 2	10011100001011110011₂	10011100010000101011₂
Base 3	1012111112202₃	1012111222022₃
Base 4	2130023303₄	2130100223₄
Base 5	130432411₅	130440133₅
Base 6	21413415₆	21415055₆
Base 7	5303051₇	5304005₇
Base 8	2341363₈	2342053₈
Base 9	1174482₉	1174868₉
Base 10	639731₁₀	640043₁₀
Base 11	3a7704₁₁	3a7968₁₁
Base 12	26a26b₁₂	26a48b₁₂
Base 13	195251₁₃	195431₁₃
Base 14	1291d1₁₄	129375₁₄
Base 15	c983b₁₅	c9998₁₅
Base 16	9c2f3₁₆	9c42b₁₆