Compare 1399 vs 1511
| Property | 1399 | 1511 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 13991 | 15111 |
| Prime factorization | 1399 | 1511 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1399 | 1, 1511 |
| Number of properties | 6 | 7 |
| Chen primes | 145th | 155th |
| Emirps | 65th | 73rd |
| Good primes | 52nd | |
| Happy primes | 48th | |
| Harmonic primes | 76th | |
| Isolated primes | 131st | 141st |
| Multiplicative primes | 17th | |
| Primes | 222nd | 240th |
| Sophie germain primes | 51st | |
| Roman numberals | MCCCXCIX | MDXI |
| Base 2 | 101011101112 | 101111001112 |
| Base 3 | 12202113 | 20012223 |
| Base 4 | 1113134 | 1132134 |
| Base 5 | 210445 | 220215 |
| Base 6 | 102516 | 105556 |
| Base 7 | 40367 | 42567 |
| Base 8 | 25678 | 27478 |
| Base 9 | 18249 | 20589 |
| Base 10 | 139910 | 151110 |
| Base 11 | 106211 | 115411 |
| Base 12 | 98712 | a5b12 |
| Base 13 | 83813 | 8c313 |
| Base 14 | 71d14 | 79d14 |
| Base 15 | 63415 | 6ab15 |
| Base 16 | 57716 | 5e716 |