Compare 639257 vs 642869

Property	639257	642869
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639257¹	642869¹
Prime factorization	639257	642869
Divisors count	2	2
Divisors	1, 639257	1, 642869
Number of properties	10	4
Chen primes	20353rd	20449th
Cousin primes (2nd member)	5624th
Good primes	1980th	1992nd
Primes	52019th	52278th
Prime triplets (1st member)	2059th
Prime triplets (2nd member)	2058th
Sexy primes (1st member)	11273rd
Sexy prime triplets (1st member)	2071st
Twin primes (1st member)	5626th	5655th
Ulam primes	3812th
Roman numberals
Base 2	10011100000100011001₂	10011100111100110101₂
Base 3	1012110220012₃	1012122211222₃
Base 4	2130010121₄	2130330311₄
Base 5	130424012₅	131032434₅
Base 6	21411305₆	21440125₆
Base 7	5301503₇	5315153₇
Base 8	2340431₈	2347465₈
Base 9	1173805₉	1178758₉
Base 10	639257₁₀	642869₁₀
Base 11	3a7313₁₁	3a9aa7₁₁
Base 12	269b35₁₂	270045₁₂
Base 13	194c78₁₃	1967c6₁₃
Base 14	128d73₁₄	12a3d3₁₄
Base 15	c9622₁₅	ca72e₁₅
Base 16	9c119₁₆	9cf35₁₆