Compare 1261 vs 1265
| Property | 1261 | 1265 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 131 × 971 | 51 × 111 × 231 |
| Prime factorization | 13 × 97 | 5 × 11 × 23 |
| Divisors count | 4 | 8 |
| Divisors | 1, 13, 97, 1261 | 1, 5, 11, 23, 55, 115, 253, 1265 |
| Number of properties | 1 | 0 |
| Semiprimes | 371st | |
| Roman numberals | MCCLXI | MCCLXV |
| Base 2 | 100111011012 | 100111100012 |
| Base 3 | 12012013 | 12012123 |
| Base 4 | 1032314 | 1033014 |
| Base 5 | 200215 | 200305 |
| Base 6 | 55016 | 55056 |
| Base 7 | 34517 | 34557 |
| Base 8 | 23558 | 23618 |
| Base 9 | 16519 | 16559 |
| Base 10 | 126110 | 126510 |
| Base 11 | a4711 | a5011 |
| Base 12 | 89112 | 89512 |
| Base 13 | 76013 | 76413 |
| Base 14 | 66114 | 66514 |
| Base 15 | 59115 | 59515 |
| Base 16 | 4ed16 | 4f116 |