Compare 640139 vs 640667

Property	640139	640667
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640139¹	640667¹
Prime factorization	640139	640667
Divisors count	2	2
Divisors	1, 640139	1, 640667
Number of properties	4	6
Additive primes	20356th	20371st
Chen primes	20383rd	20395th
Cousin primes (2nd member)		5636th
Isolated primes	40825th
Primes	52088th	52125th
Prime triplets (2nd member)		2063rd
Twin primes (1st member)		5638th
Roman numberals
Base 2	10011100010010001011₂	10011100011010011011₂
Base 3	1012112002212₃	1012112211102₃
Base 4	2130102023₄	2130122123₄
Base 5	130441024₅	131000132₅
Base 6	21415335₆	21422015₆
Base 7	5304203₇	5305556₇
Base 8	2342213₈	2343233₈
Base 9	1175085₉	1175742₉
Base 10	640139₁₀	640667₁₀
Base 11	3a7a45₁₁	3a8385₁₁
Base 12	26a54b₁₂	26a90b₁₂
Base 13	1954a6₁₃	1957c1₁₃
Base 14	129403₁₄	12969d₁₄
Base 15	c9a0e₁₅	c9c62₁₅
Base 16	9c48b₁₆	9c69b₁₆