Compare 381 vs 389
Property | 381 | 389 |
---|---|---|
Type | semiprime | prime |
Unique factors | 2 | 1 |
Total factors | 2 | 1 |
Prime factorization | 31 × 1271 | 3891 |
Prime factorization | 3 × 127 | 389 |
Divisors count | 4 | 2 |
Divisors | 1, 3, 127, 381 | 1, 389 |
Number of properties | 1 | 7 |
Chen primes | 55th | |
Emirps | 20th | |
Isolated primes | 36th | |
Long primes | 29th | |
Primes | 77th | |
Pythagorean primes | 36th | |
Semiprimes | 119th | |
Sexy primes (2nd member) | 42nd | |
Roman numberals | CCCLXXXI | CCCLXXXIX |
Base 2 | 1011111012 | 1100001012 |
Base 3 | 1120103 | 1121023 |
Base 4 | 113314 | 120114 |
Base 5 | 30115 | 30245 |
Base 6 | 14336 | 14456 |
Base 7 | 10537 | 10647 |
Base 8 | 5758 | 6058 |
Base 9 | 4639 | 4729 |
Base 10 | 38110 | 38910 |
Base 11 | 31711 | 32411 |
Base 12 | 27912 | 28512 |
Base 13 | 23413 | 23c13 |
Base 14 | 1d314 | 1db14 |
Base 15 | 1a615 | 1ae15 |
Base 16 | 17d16 | 18516 |