Compare 1261 vs 1264
| Property | 1261 | 1264 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 2 |
| Total factors | 2 | 5 |
| Prime factorization | 131 × 971 | 24 × 791 |
| Prime factorization | 13 × 97 | 2 × 2 × 2 × 2 × 79 |
| Divisors count | 4 | 10 |
| Divisors | 1, 13, 97, 1261 | 1, 2, 4, 8, 16, 79, 158, 316, 632, 1264 |
| Number of properties | 1 | 0 |
| Semiprimes | 371st | |
| Roman numberals | MCCLXI | MCCLXIV |
| Base 2 | 100111011012 | 100111100002 |
| Base 3 | 12012013 | 12012113 |
| Base 4 | 1032314 | 1033004 |
| Base 5 | 200215 | 200245 |
| Base 6 | 55016 | 55046 |
| Base 7 | 34517 | 34547 |
| Base 8 | 23558 | 23608 |
| Base 9 | 16519 | 16549 |
| Base 10 | 126110 | 126410 |
| Base 11 | a4711 | a4a11 |
| Base 12 | 89112 | 89412 |
| Base 13 | 76013 | 76313 |
| Base 14 | 66114 | 66414 |
| Base 15 | 59115 | 59415 |
| Base 16 | 4ed16 | 4f016 |