Compare 58 vs 61
| Property | 58 | 61 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 2 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 21 × 291 | 611 |
| Prime factorization | 2 × 29 | 61 |
| Divisors count | 4 | 2 |
| Divisors | 1, 2, 29, 58 | 1, 61 |
| Number of properties | 1 | 12 |
| Additive primes | 11th | |
| Centered decagonal primes | 3rd | |
| Centered square primes | 4th | |
| Cuban primes 1 | 4th | |
| Long primes | 8th | |
| Primes | 18th | |
| Pythagorean primes | 8th | |
| Semiprimes | 21st | |
| Sexy primes (1st member) | 12th | |
| Sexy prime quadrupletss (1st member) | 4th | |
| Sexy prime triplets (1st member) | 8th | |
| Solinas primes | 15th | |
| Twin primes (2nd member) | 7th | |
| Roman numberals | LVIII | LXI |
| Base 2 | 1110102 | 1111012 |
| Base 3 | 20113 | 20213 |
| Base 4 | 3224 | 3314 |
| Base 5 | 2135 | 2215 |
| Base 6 | 1346 | 1416 |
| Base 7 | 1127 | 1157 |
| Base 8 | 728 | 758 |
| Base 9 | 649 | 679 |
| Base 10 | 5810 | 6110 |
| Base 11 | 5311 | 5611 |
| Base 12 | 4a12 | 5112 |
| Base 13 | 4613 | 4913 |
| Base 14 | 4214 | 4514 |
| Base 15 | 3d15 | 4115 |
| Base 16 | 3a16 | 3d16 |