Compare 991981 vs 991993

Property	991981	991993
Type	prime	semiprime
Unique factors	1	2
Total factors	1	2
Prime factorization	991981¹	103¹ × 9631¹
Prime factorization	991981	103 × 9631
Divisors count	2	4
Divisors	1, 991981	1, 103, 9631, 991993
Number of properties	6	1
Additive primes	29905th
Chen primes	29751st
Emirps	10998th
Primes	77925th
Semiprimes		208440th
Sexy primes (1st member)	16280th
Twin primes (2nd member)	8113th
Roman numberals
Base 2	11110010001011101101₂	11110010001011111001₂
Base 3	1212101202001₃	1212101202111₃
Base 4	3302023231₄	3302023321₄
Base 5	223220411₅	223220433₅
Base 6	33132301₆	33132321₆
Base 7	11301034₇	11301052₇
Base 8	3621355₈	3621371₈
Base 9	1771661₉	1771674₉
Base 10	991981₁₀	991993₁₀
Base 11	618321₁₁	618332₁₁
Base 12	3ba091₁₂	3ba0a1₁₂
Base 13	289693₁₃	2896a2₁₃
Base 14	1bb71b₁₄	1bb729₁₄
Base 15	148dc1₁₅	148dcd₁₅
Base 16	f22ed₁₆	f22f9₁₆