Compare 415 vs 419
| Property | 415 | 419 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 51 × 831 | 4191 |
| Prime factorization | 5 × 83 | 419 |
| Divisors count | 4 | 2 |
| Divisors | 1, 5, 83, 415 | 1, 419 |
| Number of properties | 1 | 6 |
| Chen primes | 58th | |
| Good primes | 26th | |
| Long primes | 30th | |
| Primes | 81st | |
| Semiprimes | 131st | |
| Sophie germain primes | 22nd | |
| Twin primes (1st member) | 22nd | |
| Roman numberals | CDXV | CDXIX |
| Base 2 | 1100111112 | 1101000112 |
| Base 3 | 1201013 | 1201123 |
| Base 4 | 121334 | 122034 |
| Base 5 | 31305 | 31345 |
| Base 6 | 15316 | 15356 |
| Base 7 | 11327 | 11367 |
| Base 8 | 6378 | 6438 |
| Base 9 | 5119 | 5159 |
| Base 10 | 41510 | 41910 |
| Base 11 | 34811 | 35111 |
| Base 12 | 2a712 | 2ab12 |
| Base 13 | 25c13 | 26313 |
| Base 14 | 21914 | 21d14 |
| Base 15 | 1ca15 | 1ce15 |
| Base 16 | 19f16 | 1a316 |