Compare 990989 vs 990993

Property	990989	990993
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	990989¹	3¹ × 330331¹
Prime factorization	990989	3 × 330331
Divisors count	2	4
Divisors	1, 990989	1, 3, 330331, 990993
Number of properties	4	1
Chen primes	29726th
Emirps	10968th
Isolated primes	61633rd
Primes	77848th
Semiprimes		208237th
Roman numberals
Base 2	11110001111100001101₂	11110001111100010001₂
Base 3	1212100101022₃	1212100101110₃
Base 4	3301330031₄	3301330101₄
Base 5	223202424₅	223202433₅
Base 6	33123525₆	33123533₆
Base 7	11265116₇	11265123₇
Base 8	3617415₈	3617421₈
Base 9	1770338₉	1770343₉
Base 10	990989₁₀	990993₁₀
Base 11	6175aa₁₁	617603₁₁
Base 12	3b95a5₁₂	3b95a9₁₂
Base 13	2890ac₁₃	2890b3₁₃
Base 14	1bb20d₁₄	1bb213₁₄
Base 15	14895e₁₅	148963₁₅
Base 16	f1f0d₁₆	f1f11₁₆