Compare 639857 vs 639907

Property	639857	639907
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639857¹	639907¹
Prime factorization	639857	639907
Divisors count	2	2
Divisors	1, 639857	1, 639907
Number of properties	6	5
Chen primes	20372nd
Cousin primes (1st member)		5630th
Cousin primes (2nd member)	5629th
Good primes		1985th
Isolated primes	40805th	40806th
Primes	52066th	52067th
Prime triplets (3rd member)	2062nd
Sexy primes (2nd member)	11284th
Super primes		5325th
Roman numberals
Base 2	10011100001101110001₂	10011100001110100011₂
Base 3	1012111201102₃	1012111210021₃
Base 4	2130031301₄	2130032203₄
Base 5	130433412₅	130434112₅
Base 6	21414145₆	21414311₆
Base 7	5303321₇	5303422₇
Base 8	2341561₈	2341643₈
Base 9	1174642₉	1174707₉
Base 10	639857₁₀	639907₁₀
Base 11	3a7809₁₁	3a7854₁₁
Base 12	26a355₁₂	26a397₁₂
Base 13	19531a₁₃	195358₁₃
Base 14	129281₁₄	1292b9₁₄
Base 15	c98c2₁₅	c9907₁₅
Base 16	9c371₁₆	9c3a3₁₆