Compare 639941 vs 640039

Property	639941	640039
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639941¹	640039¹
Prime factorization	639941	640039
Divisors count	2	2
Divisors	1, 639941	1, 640039
Number of properties	4	4
Chen primes	20374th
Cousin primes (1st member)		5632nd
Cousin primes (2nd member)	5631st
Isolated primes	40809th	40816th
Lucky primes		5979th
Primes	52070th	52079th
Roman numberals
Base 2	10011100001111000101₂	10011100010000100111₂
Base 3	1012111211112₃	1012111222011₃
Base 4	2130033011₄	2130100213₄
Base 5	130434231₅	130440124₅
Base 6	21414405₆	21415051₆
Base 7	5303501₇	5304001₇
Base 8	2341705₈	2342047₈
Base 9	1174745₉	1174864₉
Base 10	639941₁₀	640039₁₀
Base 11	3a7885₁₁	3a7964₁₁
Base 12	26a405₁₂	26a487₁₂
Base 13	195383₁₃	19542a₁₃
Base 14	129301₁₄	129371₁₄
Base 15	c992b₁₅	c9994₁₅
Base 16	9c3c5₁₆	9c427₁₆