Compare 989990 vs 989999

Property	989990	989999
Type	composite number	prime
Unique factors	3	1
Total factors	3	1
Prime factorization	2¹ × 5¹ × 98999¹	989999¹
Prime factorization	2 × 5 × 98999	989999
Divisors count	8	2
Divisors	1, 2, 5, 10, 98999, 197998, 494995, 989990	1, 989999
Number of properties	0	4
Additive primes		29854th
Chen primes		29704th
Primes		77777th
Twin primes (1st member)		8102nd
Roman numberals
Base 2	11110001101100100110₂	11110001101100101111₂
Base 3	1212022000022₃	1212022000122₃
Base 4	3301230212₄	3301230233₄
Base 5	223134430₅	223134444₅
Base 6	33115142₆	33115155₆
Base 7	11262161₇	11262203₇
Base 8	3615446₈	3615457₈
Base 9	1768008₉	1768018₉
Base 10	989990₁₀	989999₁₀
Base 11	616881₁₁	61688a₁₁
Base 12	3b8ab2₁₂	3b8abb₁₂
Base 13	2887c1₁₃	2887ca₁₃
Base 14	1baad8₁₄	1bab03₁₄
Base 15	1484e5₁₅	1484ee₁₅
Base 16	f1b26₁₆	f1b2f₁₆