Compare 639911 vs 640259

Property	639911	640259
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639911¹	640259¹
Prime factorization	639911	640259
Divisors count	2	2
Divisors	1, 639911	1, 640259
Number of properties	6	4
Additive primes	20346th
Chen primes	20373rd	20389th
Cousin primes (2nd member)	5630th
Isolated primes	40807th
Primes	52068th	52099th
Sophie germain primes	5306th	5308th
Twin primes (1st member)		5636th
Roman numberals
Base 2	10011100001110100111₂	10011100010100000011₂
Base 3	1012111210102₃	1012112021022₃
Base 4	2130032213₄	2130110003₄
Base 5	130434121₅	130442014₅
Base 6	21414315₆	21420055₆
Base 7	5303426₇	5304434₇
Base 8	2341647₈	2342403₈
Base 9	1174712₉	1175238₉
Base 10	639911₁₀	640259₁₀
Base 11	3a7858₁₁	3a8044₁₁
Base 12	26a39b₁₂	26a62b₁₂
Base 13	19535c₁₃	195569₁₃
Base 14	1292bd₁₄	12948b₁₄
Base 15	c990b₁₅	c9a8e₁₅
Base 16	9c3a7₁₆	9c503₁₆