Compare 1527 vs 1561
| Property | 1527 | 1561 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 31 × 5091 | 71 × 2231 |
| Prime factorization | 3 × 509 | 7 × 223 |
| Divisors count | 4 | 4 |
| Divisors | 1, 3, 509, 1527 | 1, 7, 223, 1561 |
| Number of properties | 1 | 1 |
| Semiprimes | 445th | 453rd |
| Roman numberals | MDXXVII | MDLXI |
| Base 2 | 101111101112 | 110000110012 |
| Base 3 | 20021203 | 20102113 |
| Base 4 | 1133134 | 1201214 |
| Base 5 | 221025 | 222215 |
| Base 6 | 110236 | 111216 |
| Base 7 | 43117 | 43607 |
| Base 8 | 27678 | 30318 |
| Base 9 | 20769 | 21249 |
| Base 10 | 152710 | 156110 |
| Base 11 | 116911 | 119a11 |
| Base 12 | a7312 | aa112 |
| Base 13 | 90613 | 93113 |
| Base 14 | 7b114 | 7d714 |
| Base 15 | 6bc15 | 6e115 |
| Base 16 | 5f716 | 61916 |