Compare 1261 vs 1272
| Property | 1261 | 1272 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 5 |
| Prime factorization | 131 × 971 | 23 × 31 × 531 |
| Prime factorization | 13 × 97 | 2 × 2 × 2 × 3 × 53 |
| Divisors count | 4 | 16 |
| Divisors | 1, 13, 97, 1261 | 1, 2, 3, 4, 6, 8, 12, 24, 53, 106, 159, 212, 318, 424, 636, 1272 |
| Number of properties | 1 | 0 |
| Semiprimes | 371st | |
| Roman numberals | MCCLXI | MCCLXXII |
| Base 2 | 100111011012 | 100111110002 |
| Base 3 | 12012013 | 12020103 |
| Base 4 | 1032314 | 1033204 |
| Base 5 | 200215 | 200425 |
| Base 6 | 55016 | 55206 |
| Base 7 | 34517 | 34657 |
| Base 8 | 23558 | 23708 |
| Base 9 | 16519 | 16639 |
| Base 10 | 126110 | 127210 |
| Base 11 | a4711 | a5711 |
| Base 12 | 89112 | 8a012 |
| Base 13 | 76013 | 76b13 |
| Base 14 | 66114 | 66c14 |
| Base 15 | 59115 | 59c15 |
| Base 16 | 4ed16 | 4f816 |