Compare 638971 vs 640007

Property	638971	640007
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	638971¹	640007¹
Prime factorization	638971	640007
Divisors count	2	2
Divisors	1, 638971	1, 640007
Number of properties	4	5
Additive primes		20350th
Chen primes		20377th
Isolated primes	40752nd
Primes	51999th	52075th
Sexy primes (1st member)	11267th
Twin primes (1st member)		5632nd
Ulam primes	3811th	3817th
Roman numberals
Base 2	10011011111111111011₂	10011100010000000111₂
Base 3	1012110111121₃	1012111220222₃
Base 4	2123333323₄	2130100013₄
Base 5	130421341₅	130440012₅
Base 6	21410111₆	21414555₆
Base 7	5300614₇	5303624₇
Base 8	2337773₈	2342007₈
Base 9	1173447₉	1174828₉
Base 10	638971₁₀	640007₁₀
Base 11	3a7083₁₁	3a7935₁₁
Base 12	269937₁₂	26a45b₁₂
Base 13	194ab8₁₃	195404₁₃
Base 14	128c0b₁₄	12934b₁₄
Base 15	c94d1₁₅	c9972₁₅
Base 16	9bffb₁₆	9c407₁₆