Compare 990985 vs 990989

Property	990985	990989
Type	semiprime	prime
Unique factors	2	1
Total factors	2	1
Prime factorization	5¹ × 198197¹	990989¹
Prime factorization	5 × 198197	990989
Divisors count	4	2
Divisors	1, 5, 198197, 990985	1, 990989
Number of properties	1	4
Chen primes		29726th
Emirps		10968th
Isolated primes		61633rd
Primes		77848th
Semiprimes	208234th
Roman numberals
Base 2	11110001111100001001₂	11110001111100001101₂
Base 3	1212100101011₃	1212100101022₃
Base 4	3301330021₄	3301330031₄
Base 5	223202420₅	223202424₅
Base 6	33123521₆	33123525₆
Base 7	11265112₇	11265116₇
Base 8	3617411₈	3617415₈
Base 9	1770334₉	1770338₉
Base 10	990985₁₀	990989₁₀
Base 11	6175a6₁₁	6175aa₁₁
Base 12	3b95a1₁₂	3b95a5₁₂
Base 13	2890a8₁₃	2890ac₁₃
Base 14	1bb209₁₄	1bb20d₁₄
Base 15	14895a₁₅	14895e₁₅
Base 16	f1f09₁₆	f1f0d₁₆