Compare 991981 vs 991984

Property	991981	991984
Type	prime	composite number
Unique factors	1	4
Total factors	1	7
Prime factorization	991981¹	2⁴ × 7¹ × 17¹ × 521¹
Prime factorization	991981	2 × 2 × 2 × 2 × 7 × 17 × 521
Divisors count	2	40
Divisors	1, 991981	1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 56, 68, 112, 119, 136, 238, 272, 476, 521, 952, 1042, 1904, 2084, 3647, 4168, 7294, 8336, 8857, 14588, 17714, 29176, 35428, 58352, 61999, 70856, 123998, 141712, 247996, 495992, 991984
Number of properties	6	0
Additive primes	29905th
Chen primes	29751st
Emirps	10998th
Primes	77925th
Sexy primes (1st member)	16280th
Twin primes (2nd member)	8113th
Roman numberals
Base 2	11110010001011101101₂	11110010001011110000₂
Base 3	1212101202001₃	1212101202011₃
Base 4	3302023231₄	3302023300₄
Base 5	223220411₅	223220414₅
Base 6	33132301₆	33132304₆
Base 7	11301034₇	11301040₇
Base 8	3621355₈	3621360₈
Base 9	1771661₉	1771664₉
Base 10	991981₁₀	991984₁₀
Base 11	618321₁₁	618324₁₁
Base 12	3ba091₁₂	3ba094₁₂
Base 13	289693₁₃	289696₁₃
Base 14	1bb71b₁₄	1bb720₁₄
Base 15	148dc1₁₅	148dc4₁₅
Base 16	f22ed₁₆	f22f0₁₆