Compare 639911 vs 639949

Property	639911	639949
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639911¹	639949¹
Prime factorization	639911	639949
Divisors count	2	2
Divisors	1, 639911	1, 639949
Number of properties	6	3
Additive primes	20346th
Chen primes	20373rd
Cousin primes (2nd member)	5630th
Isolated primes	40807th	40810th
Primes	52068th	52071st
Sophie germain primes	5306th
Ulam primes		3816th
Roman numberals
Base 2	10011100001110100111₂	10011100001111001101₂
Base 3	1012111210102₃	1012111211211₃
Base 4	2130032213₄	2130033031₄
Base 5	130434121₅	130434244₅
Base 6	21414315₆	21414421₆
Base 7	5303426₇	5303512₇
Base 8	2341647₈	2341715₈
Base 9	1174712₉	1174754₉
Base 10	639911₁₀	639949₁₀
Base 11	3a7858₁₁	3a7892₁₁
Base 12	26a39b₁₂	26a411₁₂
Base 13	19535c₁₃	19538b₁₃
Base 14	1292bd₁₄	129309₁₄
Base 15	c990b₁₅	c9934₁₅
Base 16	9c3a7₁₆	9c3cd₁₆