Compare 640667 vs 642011

Property	640667	642011
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640667¹	642011¹
Prime factorization	640667	642011
Divisors count	2	2
Divisors	1, 640667	1, 642011
Number of properties	6	4
Additive primes	20371st
Chen primes	20395th	20430th
Cousin primes (2nd member)	5636th
Primes	52125th	52223rd
Prime triplets (2nd member)	2063rd
Super primes		5339th
Twin primes (1st member)	5638th	5647th
Roman numberals
Base 2	10011100011010011011₂	10011100101111011011₂
Base 3	1012112211102₃	1012121200012₃
Base 4	2130122123₄	2130233123₄
Base 5	131000132₅	131021021₅
Base 6	21422015₆	21432135₆
Base 7	5305556₇	5312516₇
Base 8	2343233₈	2345733₈
Base 9	1175742₉	1177605₉
Base 10	640667₁₀	642011₁₀
Base 11	3a8385₁₁	3a9397₁₁
Base 12	26a90b₁₂	26b64b₁₂
Base 13	1957c1₁₃	1962b6₁₃
Base 14	12969d₁₄	129d7d₁₄
Base 15	c9c62₁₅	ca35b₁₅
Base 16	9c69b₁₆	9cbdb₁₆