Compare 1523 vs 1527
| Property | 1523 | 1527 |
|---|---|---|
| Type | prime | semiprime |
| Unique factors | 1 | 2 |
| Total factors | 1 | 2 |
| Prime factorization | 15231 | 31 × 5091 |
| Prime factorization | 1523 | 3 × 509 |
| Divisors count | 2 | 4 |
| Divisors | 1, 1523 | 1, 3, 509, 1527 |
| Number of properties | 7 | 1 |
| Additive primes | 131st | |
| Emirps | 74th | |
| Isolated primes | 142nd | |
| Left-truncatable primes | 59th | |
| Primes | 241st | |
| Safe primes | 34th | |
| Semiprimes | 445th | |
| Super primes | 53rd | |
| Roman numberals | MDXXIII | MDXXVII |
| Base 2 | 101111100112 | 101111101112 |
| Base 3 | 20021023 | 20021203 |
| Base 4 | 1133034 | 1133134 |
| Base 5 | 220435 | 221025 |
| Base 6 | 110156 | 110236 |
| Base 7 | 43047 | 43117 |
| Base 8 | 27638 | 27678 |
| Base 9 | 20729 | 20769 |
| Base 10 | 152310 | 152710 |
| Base 11 | 116511 | 116911 |
| Base 12 | a6b12 | a7312 |
| Base 13 | 90213 | 90613 |
| Base 14 | 7ab14 | 7b114 |
| Base 15 | 6b815 | 6bc15 |
| Base 16 | 5f316 | 5f716 |