Compare 989991 vs 989999

Property	989991	989999
Type	composite number	prime
Unique factors	3	1
Total factors	4	1
Prime factorization	3² × 317¹ × 347¹	989999¹
Prime factorization	3 × 3 × 317 × 347	989999
Divisors count	12	2
Divisors	1, 3, 9, 317, 347, 951, 1041, 2853, 3123, 109999, 329997, 989991	1, 989999
Number of properties	0	4
Additive primes		29854th
Chen primes		29704th
Primes		77777th
Twin primes (1st member)		8102nd
Roman numberals
Base 2	11110001101100100111₂	11110001101100101111₂
Base 3	1212022000100₃	1212022000122₃
Base 4	3301230213₄	3301230233₄
Base 5	223134431₅	223134444₅
Base 6	33115143₆	33115155₆
Base 7	11262162₇	11262203₇
Base 8	3615447₈	3615457₈
Base 9	1768010₉	1768018₉
Base 10	989991₁₀	989999₁₀
Base 11	616882₁₁	61688a₁₁
Base 12	3b8ab3₁₂	3b8abb₁₂
Base 13	2887c2₁₃	2887ca₁₃
Base 14	1baad9₁₄	1bab03₁₄
Base 15	1484e6₁₅	1484ee₁₅
Base 16	f1b27₁₆	f1b2f₁₆