Compare 639671 vs 639857

Property	639671	639857
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639671¹	639857¹
Prime factorization	639671	639857
Divisors count	2	2
Divisors	1, 639671	1, 639857
Number of properties	3	6
Chen primes		20372nd
Cousin primes (2nd member)		5629th
Isolated primes	40795th	40805th
Primes	52050th	52066th
Prime triplets (3rd member)		2062nd
Sexy primes (1st member)	11280th
Sexy primes (2nd member)		11284th
Roman numberals
Base 2	10011100001010110111₂	10011100001101110001₂
Base 3	1012111110112₃	1012111201102₃
Base 4	2130022313₄	2130031301₄
Base 5	130432141₅	130433412₅
Base 6	21413235₆	21414145₆
Base 7	5302634₇	5303321₇
Base 8	2341267₈	2341561₈
Base 9	1174415₉	1174642₉
Base 10	639671₁₀	639857₁₀
Base 11	3a765a₁₁	3a7809₁₁
Base 12	26a21b₁₂	26a355₁₂
Base 13	195206₁₃	19531a₁₃
Base 14	12918b₁₄	129281₁₄
Base 15	c97eb₁₅	c98c2₁₅
Base 16	9c2b7₁₆	9c371₁₆