Compare 1399 vs 1403
| Property | 1399 | 1403 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 13991 | 231 × 611 |
| Prime factorization | 1399 | 23 × 61 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1399 | 1, 23, 61, 1403 |
| Number of properties | 6 | 1 |
| Chen primes | 145th | |
| Emirps | 65th | |
| Good primes | 52nd | |
| Harmonic primes | 76th | |
| Isolated primes | 131st | |
| Primes | 222nd | |
| Semiprimes | 417th | |
| Roman numberals | MCCCXCIX | MCDIII |
| Base 2 | 101011101112 | 101011110112 |
| Base 3 | 12202113 | 12202223 |
| Base 4 | 1113134 | 1113234 |
| Base 5 | 210445 | 211035 |
| Base 6 | 102516 | 102556 |
| Base 7 | 40367 | 40437 |
| Base 8 | 25678 | 25738 |
| Base 9 | 18249 | 18289 |
| Base 10 | 139910 | 140310 |
| Base 11 | 106211 | 106611 |
| Base 12 | 98712 | 98b12 |
| Base 13 | 83813 | 83c13 |
| Base 14 | 71d14 | 72314 |
| Base 15 | 63415 | 63815 |
| Base 16 | 57716 | 57b16 |