Compare 640219 vs 640247

Property	640219	640247
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640219¹	640247¹
Prime factorization	640219	640247
Divisors count	2	2
Divisors	1, 640219	1, 640247
Number of properties	4	5
Additive primes		20362nd
Chen primes	20386th	20388th
Cousin primes (1st member)	5633rd
Isolated primes	40828th
Primes	52093rd	52097th
Twin primes (1st member)		5635th
Ulam primes		3818th
Roman numberals
Base 2	10011100010011011011₂	10011100010011110111₂
Base 3	1012112012211₃	1012112020212₃
Base 4	2130103123₄	2130103313₄
Base 5	130441334₅	130441442₅
Base 6	21415551₆	21420035₆
Base 7	5304346₇	5304416₇
Base 8	2342333₈	2342367₈
Base 9	1175184₉	1175225₉
Base 10	640219₁₀	640247₁₀
Base 11	3a8008₁₁	3a8033₁₁
Base 12	26a5b7₁₂	26a61b₁₂
Base 13	195538₁₃	19555a₁₃
Base 14	12945d₁₄	12947d₁₄
Base 15	c9a64₁₅	c9a82₁₅
Base 16	9c4db₁₆	9c4f7₁₆