Compare 1541 vs 1561
| Property | 1541 | 1561 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 231 × 671 | 71 × 2231 |
| Prime factorization | 23 × 67 | 7 × 223 |
| Divisors count | 4 | 4 |
| Divisors | 1, 23, 67, 1541 | 1, 7, 223, 1561 |
| Number of properties | 1 | 1 |
| Semiprimes | 450th | 453rd |
| Roman numberals | MDXLI | MDLXI |
| Base 2 | 110000001012 | 110000110012 |
| Base 3 | 20100023 | 20102113 |
| Base 4 | 1200114 | 1201214 |
| Base 5 | 221315 | 222215 |
| Base 6 | 110456 | 111216 |
| Base 7 | 43317 | 43607 |
| Base 8 | 30058 | 30318 |
| Base 9 | 21029 | 21249 |
| Base 10 | 154110 | 156110 |
| Base 11 | 118111 | 119a11 |
| Base 12 | a8512 | aa112 |
| Base 13 | 91713 | 93113 |
| Base 14 | 7c114 | 7d714 |
| Base 15 | 6cb15 | 6e115 |
| Base 16 | 60516 | 61916 |