Compare 639997 vs 640043

Property	639997	640043
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639997¹	640043¹
Prime factorization	639997	640043
Divisors count	2	2
Divisors	1, 639997	1, 640043
Number of properties	4	5
Additive primes	20349th	20353rd
Cousin primes (2nd member)		5632nd
Isolated primes	40813th	40817th
Lucky primes	5977th
Primes	52074th	52080th
Sexy primes (1st member)		11285th
Roman numberals
Base 2	10011100001111111101₂	10011100010000101011₂
Base 3	1012111220121₃	1012111222022₃
Base 4	2130033331₄	2130100223₄
Base 5	130434442₅	130440133₅
Base 6	21414541₆	21415055₆
Base 7	5303611₇	5304005₇
Base 8	2341775₈	2342053₈
Base 9	1174817₉	1174868₉
Base 10	639997₁₀	640043₁₀
Base 11	3a7926₁₁	3a7968₁₁
Base 12	26a451₁₂	26a48b₁₂
Base 13	1953c7₁₃	195431₁₃
Base 14	129341₁₄	129375₁₄
Base 15	c9967₁₅	c9998₁₅
Base 16	9c3fd₁₆	9c42b₁₆