Compare 991981 vs 991985

Property	991981	991985
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	991981¹	5¹ × 198397¹
Prime factorization	991981	5 × 198397
Divisors count	2	4
Divisors	1, 991981	1, 5, 198397, 991985
Number of properties	6	1
Additive primes	29905th
Chen primes	29751st
Emirps	10998th
Primes	77925th
Semiprimes		208439th
Sexy primes (1st member)	16280th
Twin primes (2nd member)	8113th
Roman numberals
Base 2	11110010001011101101₂	11110010001011110001₂
Base 3	1212101202001₃	1212101202012₃
Base 4	3302023231₄	3302023301₄
Base 5	223220411₅	223220420₅
Base 6	33132301₆	33132305₆
Base 7	11301034₇	11301041₇
Base 8	3621355₈	3621361₈
Base 9	1771661₉	1771665₉
Base 10	991981₁₀	991985₁₀
Base 11	618321₁₁	618325₁₁
Base 12	3ba091₁₂	3ba095₁₂
Base 13	289693₁₃	289697₁₃
Base 14	1bb71b₁₄	1bb721₁₄
Base 15	148dc1₁₅	148dc5₁₅
Base 16	f22ed₁₆	f22f1₁₆