Compare 1481 vs 1619
| Property | 1481 | 1619 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 14811 | 16191 | 
| Prime factorization | 1481 | 1619 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1481 | 1, 1619 | 
| Number of properties | 13 | 10 | 
| Additive primes | 137th | |
| Chen primes | 152nd | 162nd | 
| Emirps | 79th | |
| Happy primes | 46th | |
| Harmonic primes | 80th | |
| Long primes | 100th | |
| Primes | 234th | 256th | 
| Prime quadruplets (1st member) | 6th | |
| Prime quintuplet 2s (1st member) | 4th | |
| Prime triplets (1st member) | 39th | |
| Pythagorean primes | 114th | |
| Safe primes | 35th | |
| Sexy primes (1st member) | 102nd | |
| Sexy primes (2nd member) | 110th | |
| Sexy prime quadrupletss (1st member) | 9th | |
| Sexy prime quadrupletss (4th member) | 10th | |
| Sexy prime triplets (1st member) | 39th | |
| Sexy prime triplets (3rd member) | 42nd | |
| Sophie germain primes | 49th | |
| Twin primes (1st member) | 49th | 52nd | 
| Roman numberals | MCDLXXXI | MDCXIX | 
| Base 2 | 101110010012 | 110010100112 | 
| Base 3 | 20002123 | 20122223 | 
| Base 4 | 1130214 | 1211034 | 
| Base 5 | 214115 | 224345 | 
| Base 6 | 105056 | 112556 | 
| Base 7 | 42147 | 45027 | 
| Base 8 | 27118 | 31238 | 
| Base 9 | 20259 | 21889 | 
| Base 10 | 148110 | 161910 | 
| Base 11 | 112711 | 124211 | 
| Base 12 | a3512 | b2b12 | 
| Base 13 | 89c13 | 97713 | 
| Base 14 | 77b14 | 83914 | 
| Base 15 | 68b15 | 72e15 | 
| Base 16 | 5c916 | 65316 |