Compare 25 vs 61
| Property | 25 | 61 |
|---|---|---|
| Type | semiprime | prime |
| Unique factors | 1 | 1 |
| Total factors | 2 | 1 |
| Prime factorization | 52 | 611 |
| Prime factorization | 5 × 5 | 61 |
| Divisors count | 3 | 2 |
| Divisors | 1, 5, 25 | 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 | 9th | |
| 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 | XXV | LXI |
| Base 2 | 110012 | 1111012 |
| Base 3 | 2213 | 20213 |
| Base 4 | 1214 | 3314 |
| Base 5 | 1005 | 2215 |
| Base 6 | 416 | 1416 |
| Base 7 | 347 | 1157 |
| Base 8 | 318 | 758 |
| Base 9 | 279 | 679 |
| Base 10 | 2510 | 6110 |
| Base 11 | 2311 | 5611 |
| Base 12 | 2112 | 5112 |
| Base 13 | 1c13 | 4913 |
| Base 14 | 1b14 | 4514 |
| Base 15 | 1a15 | 4115 |
| Base 16 | 1916 | 3d16 |