Compare 639907 vs 640043

Property	639907	640043
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639907¹	640043¹
Prime factorization	639907	640043
Divisors count	2	2
Divisors	1, 639907	1, 640043
Number of properties	5	5
Additive primes		20353rd
Cousin primes (1st member)	5630th
Cousin primes (2nd member)		5632nd
Good primes	1985th
Isolated primes	40806th	40817th
Primes	52067th	52080th
Sexy primes (1st member)		11285th
Super primes	5325th
Roman numberals
Base 2	10011100001110100011₂	10011100010000101011₂
Base 3	1012111210021₃	1012111222022₃
Base 4	2130032203₄	2130100223₄
Base 5	130434112₅	130440133₅
Base 6	21414311₆	21415055₆
Base 7	5303422₇	5304005₇
Base 8	2341643₈	2342053₈
Base 9	1174707₉	1174868₉
Base 10	639907₁₀	640043₁₀
Base 11	3a7854₁₁	3a7968₁₁
Base 12	26a397₁₂	26a48b₁₂
Base 13	195358₁₃	195431₁₃
Base 14	1292b9₁₄	129375₁₄
Base 15	c9907₁₅	c9998₁₅
Base 16	9c3a3₁₆	9c42b₁₆