Compare 4991 vs 4997
| Property | 4991 | 4997 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 3 | 2 |
| Prime factorization | 71 × 231 × 311 | 191 × 2631 |
| Prime factorization | 7 × 23 × 31 | 19 × 263 |
| Divisors count | 8 | 4 |
| Divisors | 1, 7, 23, 31, 161, 217, 713, 4991 | 1, 19, 263, 4997 |
| Number of properties | 0 | 1 |
| Semiprimes | 1365th | |
| Roman numberals | MMMMCMXCI | MMMMCMXCVII |
| Base 2 | 10011011111112 | 10011100001012 |
| Base 3 | 202112123 | 202120023 |
| Base 4 | 10313334 | 10320114 |
| Base 5 | 1244315 | 1244425 |
| Base 6 | 350356 | 350456 |
| Base 7 | 203607 | 203667 |
| Base 8 | 115778 | 116058 |
| Base 9 | 67559 | 67629 |
| Base 10 | 499110 | 499710 |
| Base 11 | 382811 | 383311 |
| Base 12 | 2a7b12 | 2a8512 |
| Base 13 | 236c13 | 237513 |
| Base 14 | 1b6714 | 1b6d14 |
| Base 15 | 172b15 | 173215 |
| Base 16 | 137f16 | 138516 |