Compare 4981 vs 4991
| Property | 4981 | 4991 |
|---|---|---|
| Type | semiprime | composite number |
| Unique factors | 2 | 3 |
| Total factors | 2 | 3 |
| Prime factorization | 171 × 2931 | 71 × 231 × 311 |
| Prime factorization | 17 × 293 | 7 × 23 × 31 |
| Divisors count | 4 | 8 |
| Divisors | 1, 17, 293, 4981 | 1, 7, 23, 31, 161, 217, 713, 4991 |
| Number of properties | 1 | 0 |
| Semiprimes | 1362nd | |
| Roman numberals | MMMMCMLXXXI | MMMMCMXCI |
| Base 2 | 10011011101012 | 10011011111112 |
| Base 3 | 202111113 | 202112123 |
| Base 4 | 10313114 | 10313334 |
| Base 5 | 1244115 | 1244315 |
| Base 6 | 350216 | 350356 |
| Base 7 | 203447 | 203607 |
| Base 8 | 115658 | 115778 |
| Base 9 | 67449 | 67559 |
| Base 10 | 498110 | 499110 |
| Base 11 | 381911 | 382811 |
| Base 12 | 2a7112 | 2a7b12 |
| Base 13 | 236213 | 236c13 |
| Base 14 | 1b5b14 | 1b6714 |
| Base 15 | 172115 | 172b15 |
| Base 16 | 137516 | 137f16 |