Compare 639857 vs 640039

Property	639857	640039
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639857¹	640039¹
Prime factorization	639857	640039
Divisors count	2	2
Divisors	1, 639857	1, 640039
Number of properties	6	4
Chen primes	20372nd
Cousin primes (1st member)		5632nd
Cousin primes (2nd member)	5629th
Isolated primes	40805th	40816th
Lucky primes		5979th
Primes	52066th	52079th
Prime triplets (3rd member)	2062nd
Sexy primes (2nd member)	11284th
Roman numberals
Base 2	10011100001101110001₂	10011100010000100111₂
Base 3	1012111201102₃	1012111222011₃
Base 4	2130031301₄	2130100213₄
Base 5	130433412₅	130440124₅
Base 6	21414145₆	21415051₆
Base 7	5303321₇	5304001₇
Base 8	2341561₈	2342047₈
Base 9	1174642₉	1174864₉
Base 10	639857₁₀	640039₁₀
Base 11	3a7809₁₁	3a7964₁₁
Base 12	26a355₁₂	26a487₁₂
Base 13	19531a₁₃	19542a₁₃
Base 14	129281₁₄	129371₁₄
Base 15	c98c2₁₅	c9994₁₅
Base 16	9c371₁₆	9c427₁₆