Compare 640229 vs 640247

Property	640229	640247
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	640229¹	640247¹
Prime factorization	640229	640247
Divisors count	2	2
Divisors	1, 640229	1, 640247
Number of properties	5	5
Additive primes	20361st	20362nd
Chen primes	20387th	20388th
Primes	52095th	52097th
Sexy primes (2nd member)	11287th
Twin primes (1st member)	5634th	5635th
Ulam primes		3818th
Roman numberals
Base 2	10011100010011100101₂	10011100010011110111₂
Base 3	1012112020012₃	1012112020212₃
Base 4	2130103211₄	2130103313₄
Base 5	130441404₅	130441442₅
Base 6	21420005₆	21420035₆
Base 7	5304362₇	5304416₇
Base 8	2342345₈	2342367₈
Base 9	1175205₉	1175225₉
Base 10	640229₁₀	640247₁₀
Base 11	3a8017₁₁	3a8033₁₁
Base 12	26a605₁₂	26a61b₁₂
Base 13	195545₁₃	19555a₁₃
Base 14	129469₁₄	12947d₁₄
Base 15	c9a6e₁₅	c9a82₁₅
Base 16	9c4e5₁₆	9c4f7₁₆