Compare 640667 vs 641129

Property	640667	641129
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640667¹	641129¹
Prime factorization	640667	641129
Divisors count	2	2
Divisors	1, 640667	1, 641129
Number of properties	6	5
Additive primes	20371st	20386th
Chen primes	20395th	20408th
Cousin primes (2nd member)	5636th
Happy primes		7422nd
Primes	52125th	52159th
Prime triplets (2nd member)	2063rd
Twin primes (1st member)	5638th	5639th
Roman numberals
Base 2	10011100011010011011₂	10011100100001101001₂
Base 3	1012112211102₃	1012120110112₃
Base 4	2130122123₄	2130201221₄
Base 5	131000132₅	131004004₅
Base 6	21422015₆	21424105₆
Base 7	5305556₇	5310116₇
Base 8	2343233₈	2344151₈
Base 9	1175742₉	1176415₉
Base 10	640667₁₀	641129₁₀
Base 11	3a8385₁₁	3a8765₁₁
Base 12	26a90b₁₂	26b035₁₂
Base 13	1957c1₁₃	195a88₁₃
Base 14	12969d₁₄	12990d₁₄
Base 15	c9c62₁₅	c9e6e₁₅
Base 16	9c69b₁₆	9c869₁₆