Compare 1601 vs 1606
| Property | 1601 | 1606 |
|---|---|---|
| Type | prime | composite number |
| Unique factors | 1 | 3 |
| Total factors | 1 | 3 |
| Prime factorization | 16011 | 21 × 111 × 731 |
| Prime factorization | 1601 | 2 × 11 × 73 |
| Divisors count | 2 | 8 |
| Divisors | 1, 1601 | 1, 2, 11, 22, 73, 146, 803, 1606 |
| Number of properties | 12 | 0 |
| Chen primes | 160th | |
| Cousin primes (2nd member) | 57th | |
| Emirps | 78th | |
| Harmonic primes | 85th | |
| Isolated primes | 153rd | |
| Primes | 252nd | |
| Proth primes | 21st | |
| Pythagorean primes | 120th | |
| Sexy primes (1st member) | 108th | |
| Sexy prime quadrupletss (1st member) | 10th | |
| Sexy prime triplets (1st member) | 41st | |
| Sophie germain primes | 54th | |
| Roman numberals | MDCI | MDCVI |
| Base 2 | 110010000012 | 110010001102 |
| Base 3 | 20120223 | 20121113 |
| Base 4 | 1210014 | 1210124 |
| Base 5 | 224015 | 224115 |
| Base 6 | 112256 | 112346 |
| Base 7 | 44457 | 44537 |
| Base 8 | 31018 | 31068 |
| Base 9 | 21689 | 21749 |
| Base 10 | 160110 | 160610 |
| Base 11 | 122611 | 123011 |
| Base 12 | b1512 | b1a12 |
| Base 13 | 96213 | 96713 |
| Base 14 | 82514 | 82a14 |
| Base 15 | 71b15 | 72115 |
| Base 16 | 64116 | 64616 |