Compare 2015 vs 2027
| Property | 2015 | 2027 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 3 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 131 × 311 | 20271 |
| Prime factorization | 5 × 13 × 31 | 2027 |
| Divisors count | 8 | 2 |
| Divisors | 1, 5, 13, 31, 65, 155, 403, 2015 | 1, 2027 |
| Number of properties | 0 | 7 |
| Additive primes | 158th | |
| Chen primes | 188th | |
| Harmonic primes | 114th | |
| Primes | 307th | |
| Safe primes | 38th | |
| Super primes | 63rd | |
| Twin primes (1st member) | 62nd | |
| Roman numberals | MMXV | MMXXVII |
| Base 2 | 111110111112 | 111111010112 |
| Base 3 | 22021223 | 22100023 |
| Base 4 | 1331334 | 1332234 |
| Base 5 | 310305 | 311025 |
| Base 6 | 131556 | 132156 |
| Base 7 | 56067 | 56247 |
| Base 8 | 37378 | 37538 |
| Base 9 | 26789 | 27029 |
| Base 10 | 201510 | 202710 |
| Base 11 | 157211 | 158311 |
| Base 12 | 11bb12 | 120b12 |
| Base 13 | bc013 | bcc13 |
| Base 14 | a3d14 | a4b14 |
| Base 15 | 8e515 | 90215 |
| Base 16 | 7df16 | 7eb16 |