Compare 989999 vs 991871

Property	989999	991871
Type	prime	prime
Unique factors	1	1
Total factors	1	1
Prime factorization	989999¹	991871¹
Prime factorization	989999	991871
Divisors count	2	2
Divisors	1, 989999	1, 991871
Number of properties	4	6
Additive primes	29854th
Chen primes	29704th	29743rd
Cousin primes (2nd member)		8096th
Primes	77777th	77911th
Prime triplets (2nd member)		2819th
Sophie germain primes		7688th
Twin primes (1st member)	8102nd	8112th
Roman numberals
Base 2	11110001101100101111₂	11110010001001111111₂
Base 3	1212022000122₃	1212101120222₃
Base 4	3301230233₄	3302021333₄
Base 5	223134444₅	223214441₅
Base 6	33115155₆	33131555₆
Base 7	11262203₇	11300516₇
Base 8	3615457₈	3621177₈
Base 9	1768018₉	1771528₉
Base 10	989999₁₀	991871₁₀
Base 11	61688a₁₁	618231₁₁
Base 12	3b8abb₁₂	3b9bbb₁₂
Base 13	2887ca₁₃	28960a₁₃
Base 14	1bab03₁₄	1bb67d₁₄
Base 15	1484ee₁₅	148d4b₁₅
Base 16	f1b2f₁₆	f227f₁₆