Compare 639599 vs 640667

Property	639599	640667
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639599¹	640667¹
Prime factorization	639599	640667
Divisors count	2	2
Divisors	1, 639599	1, 640667
Number of properties	5	6
Additive primes	20340th	20371st
Chen primes	20361st	20395th
Cousin primes (2nd member)		5636th
Happy primes	7407th
Primes	52045th	52125th
Prime triplets (2nd member)		2063rd
Twin primes (1st member)	5628th	5638th
Roman numberals
Base 2	10011100001001101111₂	10011100011010011011₂
Base 3	1012111100212₃	1012112211102₃
Base 4	2130021233₄	2130122123₄
Base 5	130431344₅	131000132₅
Base 6	21413035₆	21422015₆
Base 7	5302502₇	5305556₇
Base 8	2341157₈	2343233₈
Base 9	1174325₉	1175742₉
Base 10	639599₁₀	640667₁₀
Base 11	3a75a4₁₁	3a8385₁₁
Base 12	26a17b₁₂	26a90b₁₂
Base 13	19517c₁₃	1957c1₁₃
Base 14	129139₁₄	12969d₁₄
Base 15	c979e₁₅	c9c62₁₅
Base 16	9c26f₁₆	9c69b₁₆