Compare 1623 vs 1627
| Property | 1623 | 1627 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 31 × 5411 | 16271 |
| Prime factorization | 3 × 541 | 1627 |
| Divisors count | 4 | 2 |
| Divisors | 1, 3, 541, 1623 | 1, 1627 |
| Number of properties | 1 | 4 |
| Harmonic primes | 90th | |
| Isolated primes | 155th | |
| Primes | 258th | |
| Semiprimes | 466th | |
| Sexy primes (2nd member) | 111th | |
| Roman numberals | MDCXXIII | MDCXXVII |
| Base 2 | 110010101112 | 110010110112 |
| Base 3 | 20200103 | 20200213 |
| Base 4 | 1211134 | 1211234 |
| Base 5 | 224435 | 230025 |
| Base 6 | 113036 | 113116 |
| Base 7 | 45067 | 45137 |
| Base 8 | 31278 | 31338 |
| Base 9 | 22039 | 22079 |
| Base 10 | 162310 | 162710 |
| Base 11 | 124611 | 124a11 |
| Base 12 | b3312 | b3712 |
| Base 13 | 97b13 | 98213 |
| Base 14 | 83d14 | 84314 |
| Base 15 | 73315 | 73715 |
| Base 16 | 65716 | 65b16 |