Compare 1601 vs 1619
| Property | 1601 | 1619 |
|---|---|---|
| Type | prime | prime |
| Unique factors | 1 | 1 |
| Total factors | 1 | 1 |
| Prime factorization | 16011 | 16191 |
| Prime factorization | 1601 | 1619 |
| Divisors count | 2 | 2 |
| Divisors | 1, 1601 | 1, 1619 |
| Number of properties | 12 | 10 |
| Additive primes | 137th | |
| Chen primes | 160th | 162nd |
| Cousin primes (2nd member) | 57th | |
| Emirps | 78th | 79th |
| Harmonic primes | 85th | |
| Isolated primes | 153rd | |
| Long primes | 100th | |
| Primes | 252nd | 256th |
| Proth primes | 21st | |
| Pythagorean primes | 120th | |
| Safe primes | 35th | |
| Sexy primes (1st member) | 108th | |
| Sexy primes (2nd member) | 110th | |
| Sexy prime quadrupletss (1st member) | 10th | |
| Sexy prime quadrupletss (4th member) | 10th | |
| Sexy prime triplets (1st member) | 41st | |
| Sexy prime triplets (3rd member) | 42nd | |
| Sophie germain primes | 54th | |
| Twin primes (1st member) | 52nd | |
| Roman numberals | MDCI | MDCXIX |
| Base 2 | 110010000012 | 110010100112 |
| Base 3 | 20120223 | 20122223 |
| Base 4 | 1210014 | 1211034 |
| Base 5 | 224015 | 224345 |
| Base 6 | 112256 | 112556 |
| Base 7 | 44457 | 45027 |
| Base 8 | 31018 | 31238 |
| Base 9 | 21689 | 21889 |
| Base 10 | 160110 | 161910 |
| Base 11 | 122611 | 124211 |
| Base 12 | b1512 | b2b12 |
| Base 13 | 96213 | 97713 |
| Base 14 | 82514 | 83914 |
| Base 15 | 71b15 | 72e15 |
| Base 16 | 64116 | 65316 |