Compare 1409 vs 1427
| Property | 1409 | 1427 | 
|---|---|---|
| Type | prime | prime | 
| Unique factors | 1 | 1 | 
| Total factors | 1 | 1 | 
| Prime factorization | 14091 | 14271 | 
| Prime factorization | 1409 | 1427 | 
| Divisors count | 2 | 2 | 
| Divisors | 1, 1409 | 1, 1427 | 
| Number of properties | 8 | 10 | 
| Chen primes | 146th | 147th | 
| Cousin primes (2nd member) | 49th | |
| Emirps | 66th | |
| Good primes | 54th | |
| Happy primes | 44th | |
| Isolated primes | 132nd | |
| Primes | 223rd | 225th | 
| Prime triplets (1st member) | 37th | |
| Prime triplets (2nd member) | 36th | |
| Proth primes | 20th | |
| Pythagorean primes | 110th | |
| Sexy primes (1st member) | 98th | |
| Sexy prime triplets (1st member) | 37th | |
| Sophie germain primes | 46th | |
| Super primes | 48th | |
| Twin primes (1st member) | 47th | |
| Roman numberals | MCDIX | MCDXXVII | 
| Base 2 | 101100000012 | 101100100112 | 
| Base 3 | 12210123 | 12212123 | 
| Base 4 | 1120014 | 1121034 | 
| Base 5 | 211145 | 212025 | 
| Base 6 | 103056 | 103356 | 
| Base 7 | 40527 | 41067 | 
| Base 8 | 26018 | 26238 | 
| Base 9 | 18359 | 18559 | 
| Base 10 | 140910 | 142710 | 
| Base 11 | 107111 | 108811 | 
| Base 12 | 99512 | 9ab12 | 
| Base 13 | 84513 | 85a13 | 
| Base 14 | 72914 | 73d14 | 
| Base 15 | 63e15 | 65215 | 
| Base 16 | 58116 | 59316 |