Compare 1445 vs 1451
| Property | 1445 | 1451 |
|---|---|---|
| Type | composite number | prime |
| Unique factors | 2 | 1 |
| Total factors | 3 | 1 |
| Prime factorization | 51 × 172 | 14511 |
| Prime factorization | 5 × 17 × 17 | 1451 |
| Divisors count | 6 | 2 |
| Divisors | 1, 5, 17, 85, 289, 1445 | 1, 1451 |
| Number of properties | 0 | 7 |
| Additive primes | 125th | |
| Chen primes | 149th | |
| Cousin primes (2nd member) | 51st | |
| Primes | 230th | |
| Prime triplets (2nd member) | 38th | |
| Sophie germain primes | 48th | |
| Twin primes (1st member) | 48th | |
| Roman numberals | MCDXLV | MCDLI |
| Base 2 | 101101001012 | 101101010112 |
| Base 3 | 12221123 | 12222023 |
| Base 4 | 1122114 | 1122234 |
| Base 5 | 212405 | 213015 |
| Base 6 | 104056 | 104156 |
| Base 7 | 41337 | 41427 |
| Base 8 | 26458 | 26538 |
| Base 9 | 18759 | 18829 |
| Base 10 | 144510 | 145110 |
| Base 11 | 10a411 | 10aa11 |
| Base 12 | a0512 | a0b12 |
| Base 13 | 87213 | 87813 |
| Base 14 | 75314 | 75914 |
| Base 15 | 66515 | 66b15 |
| Base 16 | 5a516 | 5ab16 |