Compare 7981 vs 8021
| Property | 7981 | 8021 |
|---|---|---|
| Type | semiprime | semiprime |
| Unique factors | 2 | 2 |
| Total factors | 2 | 2 |
| Prime factorization | 231 × 3471 | 131 × 6171 |
| Prime factorization | 23 × 347 | 13 × 617 |
| Divisors count | 4 | 4 |
| Divisors | 1, 23, 347, 7981 | 1, 13, 617, 8021 |
| Number of properties | 1 | 1 |
| Semiprimes | 2124th | 2136th |
| Roman numberals | ||
| Base 2 | 11111001011012 | 11111010101012 |
| Base 3 | 1012211213 | 1020000023 |
| Base 4 | 13302314 | 13311114 |
| Base 5 | 2234115 | 2240415 |
| Base 6 | 1005416 | 1010456 |
| Base 7 | 321617 | 322467 |
| Base 8 | 174558 | 175258 |
| Base 9 | 118479 | 120029 |
| Base 10 | 798110 | 802110 |
| Base 11 | 5aa611 | 603211 |
| Base 12 | 475112 | 478512 |
| Base 13 | 382c13 | 386013 |
| Base 14 | 2ca114 | 2ccd14 |
| Base 15 | 257115 | 259b15 |
| Base 16 | 1f2d16 | 1f5516 |