Compare 639487 vs 639689

Property	639487	639689
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639487¹	639689¹
Prime factorization	639487	639689
Divisors count	2	2
Divisors	1, 639487	1, 639689
Number of properties	7	4
Additive primes	20335th	20341st
Chen primes		20364th
Cousin primes (1st member)	5627th
Good primes	1982nd
Isolated primes	40783rd	40796th
Primes	52034th	52053rd
Prime triplets (1st member)	2060th
Sexy primes (1st member)	11276th
Roman numberals
Base 2	10011100000111111111₂	10011100001011001001₂
Base 3	1012111012201₃	1012111111012₃
Base 4	2130013333₄	2130023021₄
Base 5	130430422₅	130432224₅
Base 6	21412331₆	21413305₆
Base 7	5302252₇	5302661₇
Base 8	2340777₈	2341311₈
Base 9	1174181₉	1174435₉
Base 10	639487₁₀	639689₁₀
Base 11	3a7502₁₁	3a7676₁₁
Base 12	26a0a7₁₂	26a235₁₂
Base 13	1950c4₁₃	19521b₁₃
Base 14	129099₁₄	1291a1₁₄
Base 15	c9727₁₅	c980e₁₅
Base 16	9c1ff₁₆	9c2c9₁₆