Compare 639697 vs 640219

Property	639697	640219
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	639697¹	640219¹
Prime factorization	639697	640219
Divisors count	2	2
Divisors	1, 639697	1, 640219
Number of properties	5	4
Chen primes		20386th
Cousin primes (1st member)	5628th	5633rd
Isolated primes	40797th	40828th
Primes	52054th	52093rd
Prime triplets (1st member)	2061st
Sexy primes (1st member)	11281st
Roman numberals
Base 2	10011100001011010001₂	10011100010011011011₂
Base 3	1012111111111₃	1012112012211₃
Base 4	2130023101₄	2130103123₄
Base 5	130432242₅	130441334₅
Base 6	21413321₆	21415551₆
Base 7	5303002₇	5304346₇
Base 8	2341321₈	2342333₈
Base 9	1174444₉	1175184₉
Base 10	639697₁₀	640219₁₀
Base 11	3a7683₁₁	3a8008₁₁
Base 12	26a241₁₂	26a5b7₁₂
Base 13	195226₁₃	195538₁₃
Base 14	1291a9₁₄	12945d₁₄
Base 15	c9817₁₅	c9a64₁₅
Base 16	9c2d1₁₆	9c4db₁₆