Compare 639911 vs 640139

Property	639911	640139
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639911¹	640139¹
Prime factorization	639911	640139
Divisors count	2	2
Divisors	1, 639911	1, 640139
Number of properties	6	4
Additive primes	20346th	20356th
Chen primes	20373rd	20383rd
Cousin primes (2nd member)	5630th
Isolated primes	40807th	40825th
Primes	52068th	52088th
Sophie germain primes	5306th
Roman numberals
Base 2	10011100001110100111₂	10011100010010001011₂
Base 3	1012111210102₃	1012112002212₃
Base 4	2130032213₄	2130102023₄
Base 5	130434121₅	130441024₅
Base 6	21414315₆	21415335₆
Base 7	5303426₇	5304203₇
Base 8	2341647₈	2342213₈
Base 9	1174712₉	1175085₉
Base 10	639911₁₀	640139₁₀
Base 11	3a7858₁₁	3a7a45₁₁
Base 12	26a39b₁₂	26a54b₁₂
Base 13	19535c₁₃	1954a6₁₃
Base 14	1292bd₁₄	129403₁₄
Base 15	c990b₁₅	c9a0e₁₅
Base 16	9c3a7₁₆	9c48b₁₆