Compare 215113 vs 215123
| Property | 215113 | 215123 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 891 × 24171 | 2151231 |
| Prime factorization | 89 × 2417 | 215123 |
| Divisors count | 4 | 2 |
| Divisors | 1, 89, 2417, 215113 | 1, 215123 |
| Number of properties | 1 | 4 |
| Happy primes | 2919th | |
| Harmonic primes | 7202nd | |
| Isolated primes | 14645th | |
| Primes | 19218th | |
| Semiprimes | 48480th | |
| Roman numberals | ||
| Base 2 | 1101001000010010012 | 1101001000010100112 |
| Base 3 | 1012210020113 | 1012210021123 |
| Base 4 | 3102010214 | 3102011034 |
| Base 5 | 233404235 | 233404435 |
| Base 6 | 43355216 | 43355356 |
| Base 7 | 15541037 | 15541167 |
| Base 8 | 6441118 | 6441238 |
| Base 9 | 3570649 | 3570759 |
| Base 10 | 21511310 | 21512310 |
| Base 11 | 13768811 | 13769711 |
| Base 12 | a45a112 | a45ab12 |
| Base 13 | 76bb213 | 76bbc13 |
| Base 14 | 5857314 | 5857d14 |
| Base 15 | 43b0d15 | 43b1815 |
| Base 16 | 3484916 | 3485316 |