Compare 639487 vs 640219

Property	639487	640219
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639487¹	640219¹
Prime factorization	639487	640219
Divisors count	2	2
Divisors	1, 639487	1, 640219
Number of properties	7	4
Additive primes	20335th
Chen primes		20386th
Cousin primes (1st member)	5627th	5633rd
Good primes	1982nd
Isolated primes	40783rd	40828th
Primes	52034th	52093rd
Prime triplets (1st member)	2060th
Sexy primes (1st member)	11276th
Roman numberals
Base 2	10011100000111111111₂	10011100010011011011₂
Base 3	1012111012201₃	1012112012211₃
Base 4	2130013333₄	2130103123₄
Base 5	130430422₅	130441334₅
Base 6	21412331₆	21415551₆
Base 7	5302252₇	5304346₇
Base 8	2340777₈	2342333₈
Base 9	1174181₉	1175184₉
Base 10	639487₁₀	640219₁₀
Base 11	3a7502₁₁	3a8008₁₁
Base 12	26a0a7₁₂	26a5b7₁₂
Base 13	1950c4₁₃	195538₁₃
Base 14	129099₁₄	12945d₁₄
Base 15	c9727₁₅	c9a64₁₅
Base 16	9c1ff₁₆	9c4db₁₆