Compare 91 vs 103
| Property | 91 | 103 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 71 × 131 | 1031 |
| Prime factorization | 7 × 13 | 103 |
| Divisors count | 4 | 2 |
| Divisors | 1, 7, 13, 91 | 1, 103 |
| Number of properties | 1 | 14 |
| Cousin primes (1st member) | 10th | |
| Happy primes | 8th | |
| Primes | 27th | |
| Prime quadruplets (2nd member) | 3rd | |
| Prime quintuplet 1s (3rd member) | 2nd | |
| Prime quintuplet 2s (2nd member) | 3rd | |
| Prime sextuplets (3rd member) | 2nd | |
| Prime triplets (1st member) | 11th | |
| Prime triplets (2nd member) | 10th | |
| Prime triplets (3rd member) | 9th | |
| Semiprimes | 31st | |
| Sexy primes (1st member) | 18th | |
| Sexy primes (2nd member) | 16th | |
| Sexy prime triplets (2nd member) | 10th | |
| Twin primes (2nd member) | 9th | |
| Roman numberals | XCI | CIII |
| Base 2 | 10110112 | 11001112 |
| Base 3 | 101013 | 102113 |
| Base 4 | 11234 | 12134 |
| Base 5 | 3315 | 4035 |
| Base 6 | 2316 | 2516 |
| Base 7 | 1607 | 2057 |
| Base 8 | 1338 | 1478 |
| Base 9 | 1119 | 1249 |
| Base 10 | 9110 | 10310 |
| Base 11 | 8311 | 9411 |
| Base 12 | 7712 | 8712 |
| Base 13 | 7013 | 7c13 |
| Base 14 | 6714 | 7514 |
| Base 15 | 6115 | 6d15 |
| Base 16 | 5b16 | 6716 |